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  1. By: Kerr, John William, - Kerr, Frederick W., - Canadian National Sportmen's Fund
    Publication info: 1864-1898.
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: 1812-1888  Archives  d. 1902  Effect of poaching on  Fisheries  Fishes  Kerr, Frederick W.,  Kerr, John William,  Ontario  Sources  
  2. By: Graham Bros. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ottawa, Ont. :Graham Bros.,1901.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bulbs (Plants)  Catalogs  Flowers  Nursery stock  Ontario  Plants, Ornamental  Seeds  
    BHL Collections: Seed & Nursery Catalogs
  3. By: Graham Bros. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ottawa, Ont. :Graham Bros., Sunnyside Greenhouses,1901.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bulbs (Plants)  Catalogs  Flowers  Nursery stock  Ontario  Plants, Ornamental  Seeds  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
  4. By: Graham Bros. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection. - Sunnyside Greenhouses.
    Publication info: Ottawa [Ont.] :Graham Bros., Sunnyside Greenhouses,1902.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bulbs (Plants)  Catalogs  Equipment and supplies  Flowers  Gardening  Nursery stock  Ontario  Poultry  Seeds  
    BHL Collections: Seed & Nursery Catalogs
  5. By: Graham Bros. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection. - Sunnyside Greenhouses.
    Publication info: Ottawa, [Ont.] :Graham Bros., Sunnyside Greenhouses,1902.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bulbs (Plants)  Catalogs  Flowers  Nursery stock  Ontario  Plants, Ornamental  Seeds  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
  6. By: Armstrong Nurseries (Ontario, Calif.) - Armstrong, John S. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, Calif. :Armstrong Nurseries,1922.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Armstrong Nurseries (Ontario, Calif.)  California  Catalogs  Fruit  Fruit trees  Nursery stock  Ontario  Plants, Ornamental  Seedlings  Shrubs  Trees  
    BHL Collections: Seed & Nursery Catalogs
  7. By: Armstrong Nurseries (Ontario, Calif.) - Armstrong, John S. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, Calif. :Armstrong Nurseries,
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Armstrong Nurseries (Ontario, Calif.)  Berries  California  Catalogs  Fruit trees  Nursery stock  Ontario  Plants, Ornamental  Seedlings  Shrubs  Trees  
    BHL Collections: Seed & Nursery Catalogs
  8. By: J.W. Crow, Ltd. - Crow, J. W.
    Publication info: Simcoe, Ontario :J.W. Crow, Limited,[1927]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Gladiolus  Irises (Plants)  Lilies  Nursery stock  Ontario  Roses  Simcoe  Varieties  
    BHL Collections: Seed & Nursery Catalogs
  9. By: Ontario. Ministry of Environment and Energy. - Hanna-Thorpe, Beverley.
    Publication info: [Toronto] :Ontario Ministry of Environemnt and Energy,[1994?]
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Environmental conditions  Environmental monitoring  Ontario  Pollution  
  10. By: Ontario. Acid Precipitation Office
    Publication info: [Toronto, Ont.] :Ontario Environment,1992-
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Acid pollution of rivers, lakes, etc  Acid precipitation (Meteorology)  Ontario  Periodicals  
  11. By: Neary, B.P. - Ontario. Ministry of the Environment
    Publication info: [Toronto] :Environment Ontario,1990.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Acid pollution of rivers, lakes, etc  Acid rain  Ontario  
  12. By: Lee, J. T. - Ontario. Aquatic Toxicity Unit.
    Publication info: [Toronto] :Aquatic Toxicity Unit, Ontario Ministry of the Environment,1993.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Chemical industry  Environmental aspects  Environmental monitoring  Measurement  Ontario  Pollution  Water  
  13. By: Poirier, D. G.
    Publication info: [Toronto, Ont.] :Environment Ontario,c1991.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Daphnia  Effect of water pollution on  Effluent quality  Environmental aspects  Fishes  Iron industry and trade  Measurement  Mortality  Ontario  Rainbow trout  Steel industry and trade  Testing  
  14. By: Lee, J. T. - Ontario. Aquatic Toxicity Unit.
    Publication info: [Toronto] :Aquatic Toxicity Unit, Ontario Ministry of Environment and Energy,1993.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Chemical industry  Environmental aspects  Environmental monitoring  Measurement  Ontario  Pollution  Water  
  15. By: Lee, J. T. - Ontario. Aquatic Toxicity Unit.
    Publication info: [Toronto?] :Aquatic Toxicity Unit, Ontario Ministry of the Environment,1991.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Chemical industry  Environmental aspects  Environmental monitoring  Measurement  Ontario  Pollution  Water  
  16. By: Municipal Industrial Strategy for Abatement Program (Ont.) - Ontario. Ministry of the Environment. - Ontario. Water Quality Branch.
    Publication info: [Toronto] :Environment Ontario,1990.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Effect of water pollution on  Effluent quality  Environmental aspects  Fishes  Ontario  Petroleum refineries  
  17. By: Poirier, D. G. - Westlake, G. F.
    Publication info: [Toronto, Ont.] :Environment Ontario,c1991.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Acute toxicity testing  Daphnia  Effect of water pollution on  Effluent quality  Environmental aspects  Factory and trade waste  Fishes  Measurement  Mortality  Ontario  Testing  
  18. By: James, C. C. (Charles Canniff), - Hodgetts, Charles Alfred,
    Publication info: S.l. :s.n.,1911
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Agriculture  Dwellings  Ontario  Working class
  19. By: James, C. C. (Charles Canniff),
    Publication info: Toronto :G.N. Morang,1899.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Ontario  
  20. By: James, C. C. (Charles Canniff),
    Publication info: Toronto :G.N. Morang,1898.
    Holding Institution: The University of Western Ontario, Western Archives (archive.org)
    Subjects: Agriculture  Ontario  
  21. By: James, Ross, - Barlow, Jon C., - McLaren, Peter L., - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,c1976.
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: Bibliography  Birds  Ontario  
  22. By: James, Ross, - Royal Ontario Museum.
    Edition: 2nd ed., rev. and expanded.
    Publication info: Toronto :Royal Ontario Museum,1991.
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: Bibliography  Birds  Ontario  
  23. By: Dodge, C. K. (Charles Keene), - Geological Survey of Canada
    Publication info: Ottawa :Govt. Print. Bureau,1914.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Botany  Essex (County)  Ontario  
  24. By: Riotte, J. C. E. - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,1992.
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: Lepidoptera  Ontario  
  25. By: Taverner, P. A. (Percy Algernon), - Swales, Bradshaw Hall,
    Publication info: n.p.,n.d.
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Birds  Ontario  
  26. By: Dominion Nurseries. - A.M. Smith (Firm) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection. - Smith & Reed Co.
    Publication info: St. Catharines, Ont. :Smith & Reed Co.,1908.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bedding plants  Berries  Catalogs  Commercial catalogs  Fruit trees  Nurseries (Horticulture)  Ontario  Plants, Ornamental  
    BHL Collections: Seed & Nursery Catalogs
  27. By: Acidic Precipitation in Ontario Study - Ontario. Ministry of the Environment.
    Publication info: [Toronto] :Ministry of the Environment, A.P.I.O.S. Coordination Office.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Acid pollution of rivers, lakes, etc  Acid precipitation (Meteorology)  Acid rain  Acidic Precipitation in Ontario Study  Ontario  
  28. By: Entomological Society of Ontario. - Ontario. Department of Agriculture. - Ontario. Dept. of Agriculture
    Publication info: Toronto,The Society.
    Holding Institution: Multiple institutions
    Subjects: Entomological Society of Ontario  Insect pests  Insects  Ontario  Periodicals  
  29. By: Fortin, Pierre,
    Publication info: [Toronto? :s.n.],1858
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Canada  Fisheries  Fishery policy  Ontario  Québec (Province)  
  30. By: Ontario. Dept. of Fisheries
    Publication info: [Toronto :L.K. Cameron, King's Printer,1899-1906].
    Holding Institution: Ontario Ministry of Natural Resources Library (archive.org)
    Subjects: Dept. of Fisheries  Fisheries  Ontario  Periodicals  
  31. By: Fruit Growers' Association of Ontario. - Entomological Society of Ontario. - Fruit Experiment Stations of Ontario. - Ontario. Dept. of Agriculture. Fruit Branch.
    Publication info: Toronto :The Association,1889-
    Holding Institution: Brock University (archive.org)
    Subjects: Fruit Growers' Association of Ontario  Fruit-culture  Ontario  Societies, etc  
  32. By: Ontario Fruit and Vegetable Growers' Association. - Entomological Society of Ontario.
    Publication info: Toronto :The Association,1888-
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Fruit-culture  Horticulture  Insect pests  Ontario  
  33. By: Ontario. Dept. of Game and Fisheries - Ontario. Game and fish commission.
    Publication info: [Toronto] :Game and Fisheries Dept.,1907-
    Holding Institution: Ontario Ministry of Natural Resources Library (archive.org)
    Subjects: Fisheries  Games  Ontario  Periodicals  
  34. By: Entomological Society of Canada (1863-1871) - Agricultural and Arts Association of Ontario. - Fruit Growers' Association of Ontario.
    Publication info: Toronto,Entomological Society of Ontario,1871.
    Holding Institution: Smithsonian Libraries
    Subjects: Entomology  Insect pests  Insects  Ontario  Periodicals  
  35. By: Ontario. Dept. of Agriculture.
    Publication info: Toronto,1884-1923.
    Holding Institution: University of British Columbia Library (archive.org)
    Subjects: Dairying  Ontario  
  36. By: Hutt, H. L. - Ontario Agricultural College.
    Publication info: Toronto :Ontario Agriculture College,1905.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Apples  Diseases and pests  Ontario  
  37. By: Stechey, Daniel. - Trudell, Yves. - Canadian Aquaculture Systems. - Ontario. Environmental Services. - Ontario. Water Resources Branch. Environmental Services.
    Publication info: [Toronto] :Ontario Environment,c1990.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Environmental aspects  Fish-culture  Ontario  Recycling  Trout fisheries  Water quality management  Water treatment plants  Water-supply  
  38. By: Armstrong Nurseries (Ontario, Calif.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, Calif. :J.S. Armstrong,1926.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Armstrong Nurseries (Ontario, Calif.)  California  Catalogs  Fruit trees  Nurseries (Horticulture)  Nursery stock  Ontario  Ornamental trees
    BHL Collections: Seed & Nursery Catalogs
  39. By: Ottawa Mechanics' Institute and Athenaeum.
    Publication info: S.l. :s.n.,1855?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Catalogs and collections  Natural history  Ontario  
  40. By: Argus, George W. (George William) - National Museum of Natural Sciences (Canada). Botany Division.
    Publication info: Ottawa :Botany Division, National Museum of Natural Sciences = Division de la botanique, Musée national des sciences naturelles,1982-1987.
    Holding Institution: Smithsonian Libraries
    Subjects: Botany  Ontario  Rare plants  
  41. Publication info: Ailsa Craig, Ont.? :s.n.,1893?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Auctions  Catalogs  Horses  Ontario  
  42. By: Bailey, Vernon,
    Publication info: 1915
    Holding Institution: Smithsonian Institution Archives
    Subjects: Ashville  Botany  Canada  Field notes  Grand Forks  Mammalogy  Manitoba  North Dakota  Ontario  Oregon  Ornithology  United States  
    BHL Collections: Smithsonian Field Books collection
  43. By: Panton, J. Hoyes (James Hoyes), - Ontario Agricultural College. - Ontario. Dept. of Agriculture.
    Publication info: [Toronto?] :Dept. of Agriculture,1891.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Control  Diseases and pests  Insect pests  Ontario  Pear  
  44. By: Millen, F. Eric. - Ontario. Dept. of Agriculture. Fruit Branch.
    Publication info: Toronto :Dept. of Agriculture,1920.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Bees  Diseases  Ontario  
  45. By: Pettit, Morley. - Ontario. Dept. of Agriculture.
    Publication info: Toronto :Dept. of Agriculture,1910.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Bee culture  Bees  Ontario  Wintering  
  46. By: Pettit, Morley. - Ontario. Dept. of Agriculture.
    Publication info: Toronto :Dept. of Agriculture,1911.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Bee culture  Bees  Ontario  Wintering  
  47. By: Panton, J. Hoyes (James Hoyes), - Ontario Agricultural College. - Ontario. Dept. of Agriculture.
    Publication info: Toronto? :s.n.,1892?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Bees  Field experiments  Fruit  Insect-plant relationships  Ontario  
  48. By: Findeis, J. G. - Ontario. Water Resources Branch.
    Publication info: [Toronto] :Water Resources Branch, Ontario Ministry of Environment and Energy,1993.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Acid rain  Measurement  Ontario  Research  Snow  
  49. By: Biological Society of Ontario
    Publication info: Toronto :Biological Society of Ontario,1894.
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: 1894  Birds  Botany  canimp  Insects  Mammals  Ontario  Periodicals  
  50. By: MacLulich, Duncan Alexander, - Royal Ontario Museum of Zoology.
    Publication info: [Toronto :s.n.],1938.
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Algonquin Provincial Park  Birds  Ontario  
  51. By: McIlwraith, Thomas, - Ontario. Dept. of Education.
    Publication info: Toronto :[s.n.],1903.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Birds  Ontario  
  52. By: McIlwraith, Thomas, - Cassels, Hamilton, - Hamilton Association for the Cultivation of Literature, Science and Art (Hamilton, Ont.)
    Publication info: Hamilton [Ont.] :Hamilton Association,1886 [c1887]
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: 1886  Birds  canimp  Ontario
  53. By: McIlwraith, Thomas,
    Edition: 2nd ed., enlarged and rev. to date.
    Publication info: Montreal :C.W Coates,1894.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Birds  Collection and preservation  Collectors and collecting  Eggs  Nests  Ontario  
  54. By: McIlwraith, Thomas,
    Publication info: Hamilton, [Ont.] :Hamilton Association,1886.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Birds  Ontario  
  55. By: Nash, Charles W. (Charles William),
    Edition: 4th ed.
    Publication info: Toronto :L.K. Cameron,1909.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Agriculture  Birds  Ontario  
  56. By: Nash, Charles W. (Charles William), - Ontario. Dept. of Agriculture.
    Edition: [Rev. ed.]
    Publication info: Toronto :[s.n.,1919]
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Agriculture  Birds  Ontario  
  57. By: Nash, Charles W. (Charles William), - Farmers' Institutes of Ontario.
    Publication info: Toronto :Ontario Dept. of Agriculture,1898
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Birds  Ontario  
  58. By: Nash, Charles W. (Charles William), - Ontario. Department of Agriculture
    Edition: 4th ed.
    Publication info: Toronto, Ont. :Printed and published by L.K. Cameron,1909.
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: 1909  Birds  canimp  Ontario  
  59. By: Nash, Charles W. (Charles William), - Ontario. Dept. of Agriculture.
    Publication info: Toronto,Ontario Dept. of Agriculture,1898.
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: Birds  Ontario  
  60. By: Nash, Charles W. (Charles William), - Ontario. Dept. of Agriculture.
    Edition: 2nd ed.
    Publication info: Toronto :Ontario Dept. of Agriculture; Printed by L.K. Cameron, Printer to the King,1901.
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: Birds  Ontario  
  61. By: Nash, Charles W. (Charles William), - Ontario. Department of Agriculture
    Edition: Rev. ed.
    Publication info: Toronto, Ont. :Ontario Dept. of Agriculture,1919.
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: 1919  Birds  canimp  Ontario
  62. By: Nash, Charles W. (Charles William), - Ontario. Department of Agriculture
    Edition: Rev. ed.
    Publication info: Toronto, Ont. :Ontario Dept. of Agriculture,1913.
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: 1913  Birds  canimp  Ontario  
  63. By: Nash, Charles W. (Charles William), - Ontario. Dept. of Agriculture
    Publication info: Toronto :Ontario Dept. of Agriculture,1898.
    Holding Institution: Smithsonian Libraries
    Subjects: Birds  Ontario  
  64. By: Nash, Charles W. (Charles William), - Ontario. Dept. of Agriculture.
    Publication info: Toronto :Ontario Dept. of Agriculture,1898.
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Birds  Ontario  
  65. By: Nash, Charles W. (Charles William), - Ontario. Dept. of Agriculture.
    Publication info: Toronto :Warwick,1898.
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Birds  Ontario
  66. By: McIlwraith, Thomas.
    Publication info: Hamilton,A. Lawson & co., printers,1886.
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Ontario  Ornithology  
  67. By: McIlwraith, Thomas,
    Publication info: Hamilton,A. Lawson & co., printers,1886.
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.82(71.3)  Birds  Ontario  
  68. By: McIlwraith, Thomas.
    Edition: 2d ed., rev. & enl. to date ...
    Publication info: Toronto,W. Briggs; etc., etc.1894.
    Holding Institution: Smithsonian Libraries
    Subjects: Birds  Ontario  
  69. By: McIlwraith, Thomas.
    Edition: 2d ed., rev. & enl. to date.
    Publication info: London,T. Fisher Unwin;1894.
    Holding Institution: Cornell University Library
    Subjects: Birds  Ontario  
  70. By: McIlwraith, Thomas.
    Edition: 2d ed., enl. and rev. to date.
    Publication info: London,T. F. Unwin,1894.
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Birds  Ontario  
  71. By: McIlwraith, Thomas.
    Edition: 2d ed., enl. and rev. to date.
    Publication info: London,T. F. Unwin,1894.
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.82(71.3)  Birds  Ontario  
  72. By: Marsh, E. L.
    Publication info: Toronto :Musson Book Co.,c1919.
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: 1919  Birds  canimp  Conservation  Ontario  
  73. By: Marsh, E. L.
    Publication info: Toronto :Musson Book Co.,c1919.
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: 1919  Birds  canimp  Conservation  Ontario  
  74. By: Taverner, P. A. (Percy Algernon), - Swales, Bradshaw H. (Bradshaw Hall),
    Publication info: Oberlin, Ohio :s.n.,1908?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Birds  Ontario  Point Pelee National Park  
  75. By: Ricker, William Edwin. - Clarke, C. H. D. (Charles Henry Douglas), - Royal Ontario Museum of Zoology.
    Publication info: [Toronto :Royal Ontario Museum],1939.
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: 1939  Birds  canimp  Nipissing, Lake  Ontario  
  76. By: Fleming, James H. (James Henry),
    Publication info: Toronto? :s.n.,1913
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Birds  Ontario  Toronto
  77. By: Urquhart, Fred A. - Royal Ontario Museum of Zoology.
    Publication info: [Toronto] :Royal Ontario Museum,1941.
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Cockroaches  Essex County  Ontario  Orthoptera  
  78. By: Merchant, F. W. (Francis Walter),
    Publication info: Toronto :Copp, Clark,1887.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Botany  Ontario  Plants  Problems, exercises, etc  
  79. By: Gibson, John. - Macoun, John,
    Publication info: S.l. :s.n.,1876?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Botany  Ecology  Ontario  
  80. By: Peck, George K. - James, Ross, - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,c1983-1987.
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: 1983-1987  Birds  Breeding  canimp  Eggs and nests  Maps  Ontario  
  81. By: James, Ross, - Peck, Mark K. (Mark Kelday), - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,c1995.
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: Bird populations  Birds  Ecology  Forest birds  Forest management  Jack pine  Ontario  
  82. By: Royal Ontario Museum of Zoology.
    Publication info: [Toronto] :Royal Ontario Museum of Zoology,1928-1940.
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: Ontario  Periodicals  Royal Ontario Museum of Zoology  Zoology  
  83. By: Ontario Agricultural College. - Ontario. Dept. of Agriculture.
    Publication info: Toronto :Ontario Dept. of Agriculture,
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    Subjects: Agriculture  Ontario  Periodicals
    BHL Collections: New York Botanical Garden
  84. By: Ontario. Dept. of Agriculture.
    Publication info: Toronto :The Dept.,[1905-
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    Subjects: Agriculture  Ontario  Periodicals
    BHL Collections: New York Botanical Garden
  85. By: Middlesex (Ont.)
    Publication info: S.l. :s.n.,1887?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Dogs  Law and legislation  Middlesex  Ontario  
  86. By: Sperling, Calvin,
    Holding Institution: Harvard University Botany Libraries
    Subjects: Bolivia  Colombia  Ecuador  Massachusetts  Minnesota  Ontario  Plants
    BHL Collections: BHL Field Notes Project | Harvard University Herbarium, Botany Libraries
  87. By: Fream, W. (William),
    Publication info: [London? :s.n.],1885
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Maritime Provinces  Ontario  Québec (Province)  
  88. By: Ross, Alexander Milton,
    Publication info: Toronto :[s.n.],1873.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Ferns  Ontario  Wild flowers  
  89. By: Small, H. Beaumont (Henry Beaumont), - Scadding, Henry, - Taylor, John,
    Publication info: Montreal :M. Longmoore,1867, c1866.
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: 1867  Canada  canimp  Guidebooks  Ontario  Québec (Province)  Zoology  
  90. By: Fruit Growers' Association of Ontario.
    Publication info: St. Catherines [Ont.] :Fruit Growers' Association of Ontario
    Holding Institution: Multiple institutions
    Subjects: 1878  canimp  Fruit Growers' Association of Ontario  Fruit-culture  Ontario  Periodicals  
  91. By: Fruit Growers' Association of Ontario.
    Publication info: St. Catherines [Ont.] :Fruit Growers' Association of Ontario
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: 1878  canimp  Fruit Growers' Association of Ontario  Fruit-culture  Ontario  Periodicals  
  92. By: Fruit Growers' Association of Ontario.
    Publication info: St. Catherines [Ont.] :Fruit Growers' Association of Ontario,1878-[1914]
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: 1878  canimp  Fruit Growers' Association of Ontario  Fruit-culture  Ontario  Periodicals  
  93. By: Dawson, John William, Sir, - Penhallow, D. P. (David Pearce),
    Publication info: London :s.n.,1900
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    Subjects: Ontario  Paleobotany  Paleontology  Pleistocene  Toronto Region
    BHL Collections: New York Botanical Garden
  94. By: Ontario. Ministry of the Environment
    Edition: [Rev.]. --. --
    Publication info: [Toronto] :Ontario Ministry of the Environment, 1982.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Acid rain  Environmental aspects  Ontario  
  95. By: Steele, Briggs Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection. - Verhalen Nursery Co.
    Publication info: Scottsville, Texas :Verhalen Nursery Co.,1955.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Agricultural implements  Bulbs (Plants)  Catalogs  Climbing plants  Conifers  Evergreens  Flowers  Fruit  Junipers  Nurseries (Horticulture)  Nursery stock  Ontario  Plants, Ornamental  Seeds  Shrubs  Toronto  Trees  Vegetables  Verhalen Nursery Co  
    BHL Collections: Seed & Nursery Catalogs
  96. By: Nellie M. Stockford (Firm) - Stockford, Nellie M. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Guelph, Canada :Nellie M. Stockford,1928.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bulbs (Plants)  Catalogs  Gladiolus  Guelph  Nurseries (Horticulture)  Nursery stock  Ontario  Prices  Roots  
    BHL Collections: Seed & Nursery Catalogs
  97. By: Steele, Briggs Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Toronto, Ont. :Steele, Briggs Seed Co.,1901.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Equipment and supplies  Flowers  Gardening  Nursery stock  Ontario  Plants, Ornamental  Seeds  Toronto  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
  98. By: Beadle, Chauncey. - St. Catharines Nursery.
    Publication info: [St. Catharines, Ont.? :s.n.],1841
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Fruit-culture  Ontario  St. Catharines Nursery  
  99. By: World's Columbian Exposition Chicago, Ill.)
    Publication info: [Toronto? :s.n.],1893
    Holding Institution: Canadiana.org (archive.org)
    Subjects: (1893 :  Chicago, Ill.)  Fruit-culture  Ontario  World's Columbian Exposition  
  100. By: Hamilton Scientific Association.
    Publication info: S.l. :s.n.,1897?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Botany  Hamilton  Ontario  Paleontology  
  101. By: Cameron, Roderick.
    Publication info: Niagara Falls, Ont.? :s.n.,1896?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Botany  Herbaria  Niagara Falls  Ontario  Type specimens  
  102. By: Kinellar Lodge Farm (Markham, Ont.)
    Publication info: Markham, Ont. :Economist Book and Job Printing Office,1891.
    Holding Institution: Toronto Public Library : North York Central (archive.org)
    Subjects: Catalogs  Cattle  Horses  Kinellar Lodge Farm (Markham, Ont.)  Markham  Ontario  
  103. By: Day, David F. (David Fisher)
    Publication info: [Troy]Troy Press,1888.
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    Subjects: New York (State)  Niagara Falls  Ontario  Plants
    BHL Collections: New York Botanical Garden
  104. By: Day, David F. (David Fisher)
    Publication info: Troy,The Troy Press Company, Printers,1888.
    Holding Institution: Cornell University Library
    Subjects: Botany  New York (State)  Niagara County  Niagara Peninsula  Ontario  
  105. By: Saunders, William, - Macoun, W. T. (William Tyrrell), - Canada. Dept. of Agriculture.
    Publication info: Ottawa :Govt. Print. Bureau,1899.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Catalogs  Central Experimental Farm (Ottawa, Ont.)  Ontario  Ottawa  Shrubs  Trees  
  106. Publication info: Mitchell, Ont.? :s.n.,1879?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Breeding  Horses  Ontario  
  107. By: Staples, Melville H.
    Publication info: Toronto,G.N. Morang,1921.
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Agriculture  Ontario  Societies, etc  United Farmers of Ontario  
  108. By: Staples, Melville H.
    Publication info: TorontoG.N. Morang1921
    Holding Institution: University of Toronto - Robarts Library
    Subjects: Agriculture  Ontario  Societies, etc  United Farmers of Ontario  
  109. By: Nash, Charles W. (Charles William), - Ontario. Dept. of Education.
    Publication info: [Toronto? :s.n.],1900
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Birds  Ontario  Ornithology  
  110. By: Nash, C. W. - Toronto (Ont.). Department of Education. - Toronto (Ont.). Dept. of Education. Museum.
    Publication info: Toronto :Warwick Bros. & Rutter,1900.
    Holding Institution: Smithsonian Libraries
    Subjects: Birds  Catalogs and collections  Classification  Ontario  
  111. By: Nash, Charles W. (Charles William), - Ontario. Dept. of Education. Museum.
    Publication info: Toronto :Dept. of Education,1900.
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Birds  Ontario  
  112. By: Nash, Charles W. (Charles William), - Ontario Provincial Museum. - Ontario. Dept. of Education.
    Publication info: Toronto :L.K. Cameron,1905.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Birds  Catalogs  Catalogs and collections  Ontario  Royal Ontario Museum  
  113. By: Nash, Charles W. (Charles William), - Ontario. Dept. of Education.
    Publication info: Toronto :L.K. Cameron,1908.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Catalogs  Fishes  Freshwater fishes  Ontario  Royal Ontario Museum  
  114. By: Nash, Charles W. (Charles William), - Ontario. Dept. of Education.
    Publication info: Toronto :L.K. Cameron,1908.
    Holding Institution: University of Toronto - Earth Sciences Library (Noranda)
    Subjects: Fishes  Freshwater fishes  Ontario  
  115. By: Ontario. Dept. of Education. - Nash, Charles W. (Charles William),
    Publication info: Toronto,L. K. Cameron, printer to the king's most excellent Majesty,1905.
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Ontario  Ornithology  
  116. By: Canada. Botany and Plant Pathology Division. - Gillett, John M.
    Publication info: Ottawa,1958.
    Holding Institution: Smithsonian Libraries
    Subjects: Botany  Ontario  Québec (Province)  
  117. By: Gillett, John M. - White, David J.
    Publication info: Ottawa, Canada :National Museum of Natural Sciences, National Museums of Canada,1978.
    Holding Institution: Smithsonian Libraries
    Subjects: Botany  Ontario  Ottawa-Hull region  
  118. By: Hudson, H. F. - Canada. Division of Entomology.
    Publication info: Ottawa :Govt. Print. Bureau,1914.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Agricultural pests  Chinch-bugs  Ontario  
  119. By: Snyder, L. L. (Lester Lynne), - Royal Ontario Museum of Zoology.
    Publication info: Toronto :Royal Ontario Museum of Zoology,1950.
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: Birds  Classification  Ontario  
  120. By: Caesar, Lawson, - Ontario. Dept. of Agriculture.
    Publication info: Toronto :Dept. of Agriculture,[1911]
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Codling moth  Diseases and pests  Fruit  Insect pests  Ontario  
  121. By: Hurlbert, J. Beaufort (Jesse Beaufort),
    Publication info: [Montreal? :s.n.],1862
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Birds  Ontario  Trees  
  122. By: Ontario. Game and fish commission. - Wright, Robert Ramsay,
    Publication info: Toronto,Printed by Warwick & sons,1892.
    Holding Institution: Smithsonian Libraries
    Subjects: Fisheries  Fishes  Game and game-birds  Game protection  Ontario  
  123. By: Ontario. Game and fish commission. - MacCallum, G. A. - Wright, R. Ramsay (Robert Ramsay),
    Publication info: Toronto :Printed by Warwick & Sons,1892.
    Holding Institution: Multiple institutions
    Subjects: Fisheries  Fishes  Game and game-birds  Game protection  Ontario  
  124. By: Ontario. Game and fish commission. - Wright, Robert Ramsay,
    Publication info: Toronto :Printed by Warwick & sons,1892.
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Fisheries  Fishes  Game and game-birds  Game protection  Ontario  
  125. By: Bethune, Charles J. S. (Charles James Stewart), - Jarvis, Tennyson D. - Ontario. Dept. of Agriculture.
    Edition: Rev. ed.
    Publication info: Toronto :Dept. of Agriculture,[1907]
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Diseases and pests  Fruit  Insect pests  Ontario  
  126. By: Spotton, H. B. (Henry Byron),
    Edition: Rev. ed.
    Publication info: Toronto :W.J. Gage,[1889?]
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Botany  Canada  Ontario  Plants  
  127. By: Spotton, H. B. (Henry Byron),
    Edition: 2nd. ed.
    Publication info: Toronto :W.J. Gage,1884.
    Holding Institution: The University of Western Ontario, Western Archives (archive.org)
    Subjects: Botany  Canada  Ontario  Plants  
  128. By: Spotton, H. B. (Henry Byron),
    Edition: 2nd ed.
    Publication info: Toronto :W.J. Gage,[1884?]
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Botany  Ontario  Plants  Wild flowers  
  129. By: Hind, Henry Youle,
    Publication info: [Toronto? :s.n.],1851
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Climate  Crops and climate  Ontario  
  130. By: Mark E. Taylor & Associates. - Metropolitan Toronto and Region Conservation Authority. - Ontario. Ministry of the Environment.
    Publication info: Toronto, Ont. :Mark E. Taylor & Associates,1992.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Biological treatment  Constructed wetlands  Function  Ontario  Purification  Sewage  Sewage lagoons  Storm sewers  Storm water retention basins  Urban runoff  Water  Water quality management  Wetlands  
  131. By: Shaw, Thomas, - Zavitz, C. A. (Charles Ambrose), - Ontario. Dept. of Agriculture.
    Publication info: [Toronto?] :Dept. of Agriculture,1899
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Agriculture  Beef cattle  Corn  Experimentation  Feeding and feeds  Ontario  Silage
  132. By: Ontario. Ministry of the Environment.
    Edition: 6th ed.
    Publication info: Toronto :Environment Ontario,1989.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Cottages  Environmental protection  Handbooks, manuals, etc  Ontario  Pollution  Vacation homes  
  133. By: Amateur florist.
    Publication info: Toronto :J. Bain,1868.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Angiosperms  Flower gardening  Ontario  
  134. By: Ontario. Air Resources Branch. - Ontario. Ministry of the Environment. - SENES Consultants Limited.
    Publication info: [Toronto, Ont.] :Queens Printer for Ontario,c1992.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Acid rain  Air  Environmental aspects  Nitrogen oxides  Ontario  Pollution  Sulfur dioxide  
  135. By: Macoun, John,
    Publication info: S.l. :s.n.,1898?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Botany  Cryptogams  Ontario  Ottawa  
  136. By: Macoun, John,
    Publication info: Ottawa,1898?
    Holding Institution: Cornell University Library
    Subjects: Botany  Cryptogams  Ontario  Ottawa
  137. By: Macoun, W. T. (William Tyrrell), - Fermes et stations expérimentales fédérales (Canada)
    Publication info: Ottawa :Ministère de l'agriculture,1901.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Apples  Ontario  Québec (Province)  
  138. By: Scarboro Gardens Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Scarborough, Ont. :Scarboro Gardens Co.,[1927]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Dahlias  Flowers  Nursery stock  Ontario  Prices  Roots  Toronto  Varieties  
    BHL Collections: Seed & Nursery Catalogs
  139. By: Homewood Gardens (Orillia, Ont.) - Bacon, W. Eric. - Bacon, W. Percy. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Orillia, Ontario, Canada :Homewood Gardens,1928.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bulbs (Plants)  Dahlias  Nursery stock  Ontario  Orillia  Prices  Varieties  
    BHL Collections: Seed & Nursery Catalogs
  140. By: Ontario. A.P.I.O.S. Coordination Office - Ontario. Atmospheric Processes Studies Unit. - Ontario. Atmospheric Research and Special Programs Section. Special Studies Unit.
    Publication info: Toronto :A.P.I.O.S. Coordination Office,1983-
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Acid precipitation (Meteorology)  Acid rain  Ontario  Periodicals  Statistics  
  141. By: Darch & Hunter. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: London, Ont. :Darch & Hunter,1901.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Agricultural implements  Catalogs  Cereal grasses  Flowers  Fruit  London  Nursery stock  Ontario  Seeds  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
  142. By: Homewood Gardens (Orillia, Ont.) - Bacon, Eric. - Bacon, Percy. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Orillia, Ontario, Canada :Homewood Gardens,[1928?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Delphinium  Nursery stock  Ontario  Orillia  Prices  
    BHL Collections: Seed & Nursery Catalogs
  143. By: Catling, Paul M. - Canada. Agriculture Canada. Research Branch.
    Publication info: Ottawa :Research Branch, Agriculture Canada,1985.
    Holding Institution: Agriculture and Agri-Food Canada (archive.org)
    Subjects: Aquatic plants  Botany  Cataraqui Marsh Region (Ont.)  Cataraqui River Region  Marsh flora  Ontario  Wetland flora  
  144. By: Whiteaves, J. F. (Joseph Frederick),
    Publication info: S.l. :s.n.,1891?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Gastropoda, Fossil  Ontario  Paleontology  
  145. By: Municipal Industrial Strategy for Abatement Program (Ontario) - Ontario. Ministry of the Environment.
    Publication info: [Toronto] :Ontario Ministry of the Environment,1989.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Effluent quality  Environmental aspects  Environmental monitoring  Law and legislation  Measurement  Ontario  Pollution  Waste disposal  Water  Wood-pulp industry  
  146. By: Municipal Industrial Strategy for Abatement Program (Ontario) - Ontario. Ministry of the Environment.
    Publication info: [Toronto?] :Environment Ontario,1990.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Electric power-plants  Environmental aspects  Environmental monitoring  Law and legislation  Ontario  Pollution  Waste disposal  Water  
  147. By: Municipal Industrial Strategy for Abatement Program (Ontario) - Ontario. Ministry of the Environment.
    Publication info: [Toronto] :Environment Ontario,1989.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Environmental aspects  Environmental monitoring  Inorganic compounds  Law and legislation  Mineral industries  Ontario  Organic compounds  Pollution  Waste disposal  Water  
  148. Publication info: [Toronto] :Queen's Printer for Ontario,c1989.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Environmental monitoring  Law and legislation  Ontario  Paper industry  Pollution  Waste disposal  Water  Wood-pulp industry  
  149. By: Municipal Industrial Strategy for Abatement Program (Ontario) - Ontario. Ministry of the Environment.
    Publication info: [Toronto] :Environment Ontario,c1990.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Environmental aspects  Environmental monitoring  Law and legislation  Metal castings industry  Ontario  Pollution  Waste disposal  Water  
  150. By: Municipal Industrial Strategy for Abatement Program (Ontario) - Ontario. Ministry of the Environment.
    Publication info: [Toronto] :Environment Ontario,c1989.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Environmental monitoring  Iron industry and trade  Iron-works  Law and legislation  Ontario  Pollution  Steel industry and trade  Steel-works  Waste disposal  Water  
  151. By: Municipal Industrial Strategy for Abatement Program (Ontario) - Ontario. Ministry of the Environment.
    Publication info: [Toronto] :Environment Ontario,c1989.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Chemical industry  Environmental aspects  Environmental monitoring  Law and legislation  Ontario  Organic compounds  Organic water pollutants  Pollution  Waste disposal  Water  
  152. By: Municipal Industrial Strategy for Abatement Program (Ontario) - Ontario. Ministry of the Environment.
    Publication info: [Toronto] :Environment Ontario,c1989.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Chemical industry  Environmental aspects  Environmental monitoring  Inorganic compounds  Law and legislation  Ontario  Pollution  Waste disposal  Water  
  153. By: Goldie, John,
    Publication info: Toronto :W. Tyrrell,1897.
    Holding Institution: Scott - York University Libraries (archive.org)
    Subjects: 1793-1886  Biography  Botanists  Botany  Description and travel  Diaries  Goldie, John,  Northeastern States  Ontario  
  154. By: Preble, Edward Alexander,
    Publication info: 1892 -1930
    Holding Institution: Smithsonian Institution Archives
    Subjects: Canada  Diary  District of Columbia  Field notes  New Hampshire  Ontario  Ornithology  United States
    BHL Collections: BHL Field Notes Project | Smithsonian Field Books collection
  155. By: Fenton, M. Brock (Melville Brockett), - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,c1972.
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: Bats  Ontario  Vespertilionidae  
  156. By: Baillie, James Little, - Harrington, Paul. - Royal Ontario Museum of Zoology.
    Publication info: Toronto :Royal Ontario Museum of Zoology,1937
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Birds  Breeding  Geographical distribution  Ontario
  157. By: Steele, Briggs Seed Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Toronto, Ont. :Steele, Briggs Seed Co.,1902.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bulbs (Plants)  Catalogs  Cereal grasses  Flowers  Nursery stock  Ontario  Plants, Ornamental  Seeds  Toronto  
    BHL Collections: Seed & Nursery Catalogs
  158. By: Eckert, James D., - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,1984.
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Crinoidea, Fossil  Niagara Peninsula  Ontario  Paleontology  Silurian  Starfishes, Fossil  
  159. By: Reynolds, John W., - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,1977.
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: Lumbricidae  Ontario  Worms  
  160. By: Ontario. Ministry of Environment and Energy.
    Publication info: [Toronto] :Ontario Ministry of Environment and Energy,1997.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Ecology  Ontario  Zebra mussel  
  161. By: Ontario. Dept. of Immigration.
    Publication info: Toronto :Printed by C.B. Robinson,1880.
    Holding Institution: Scott - York University Libraries (archive.org)
    Subjects: Agriculture  Description and travel  Emigration and immigration  Ontario  
  162. By: Shaw, Thomas, - Ontario. Dept. of Agriculture.
    Publication info: [Toronto?] :Dept. of Agriculture,1891
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Agriculture  Corn  Experimentation  Feeding and feeds  Ontario  Silage  Swine  
  163. By: Pope, R. J. - Keenleyside, K. A. - Speller, S. D. - Niagara River Improvement Project. - Tarandus Associates Ltd.
    Publication info: Toronto :The Project,1993.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Environmental aspects  Environmental impact analysis  Environmental monitoring  Ontario  Pollution  Water  Welland River  Welland River (Ont.)  
  164. By: Essex (Ont. : County). Council.
    Publication info: Sandwich, Ont. :Essex County Council,1912.
    Holding Institution: Scott - York University Libraries (archive.org)
    Subjects: Agriculture  Essex (County)  Essex (Ont. : County)  History  Ontario  
  165. By: Howe, C. D. (Clifton Durant), - Fernow, B. E. (Bernhard Eduard), - White, J. H. (James Herbert), - Canada. Comité des forêts. - Canada. Commission de la conservation. Comité des forêts.
    Publication info: [Ottawa] :Commission de la conservation,1913
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Forests and forestry  Natural resources  Ontario  
  166. By: Shaw, Thomas, - Zavitz, C. A. (Charles Ambrose), - Ontario. Dept. of Agriculture.
    Publication info: [Toronto?] :Dept. of Agriculture,1892
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Agriculture  Experimentation  Field experiments  Grain  Ontario
  167. By: Shaw, Thomas, - Zavitz, C. A. (Charles Ambrose), - Ontario. Dept. of Agriculture.
    Publication info: [Toronto?] :Dept. of Agriculture,1893
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Agriculture  Experimentation  Field experiments  Grain  Ontario  Wheat
  168. By: Shaw, Thomas, - Zavitz, C. A. (Charles Ambrose), - Ontario. Dept. of Agriculture.
    Publication info: [Toronto?] :Dept. of Agriculture,1892
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Agriculture  Experimentation  Field experiments  Grain  Ontario  Wheat
  169. By: Zippi, P. A. - Ontario Water Resources Commission. - Ontario. Ministry of the Environment.
    Publication info: [Toronto] :Environment Ontario,1991.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Acid pollution of rivers, lakes, etc  Lake sediments  Ontario  Palynology  Zygnemataceae  
  170. By: Fosberg, F. Raymond, Francis Raymond
    Publication info: 1958
    Holding Institution: Smithsonian Institution Archives
    Subjects: Botany  Canada  District of Columbia  Field notes  Indiana  Jaluit  Kwajalein  Maps  Marshall Islands  New York  Ontario  Shenandoah National Park  United States  Virginia  West Virginia  
    BHL Collections: Smithsonian Field Books collection
  171. By: Shaw, Thomas, - Zavitz, C. A. (Charles Ambrose), - Ontario. Dept. of Agriculture.
    Publication info: [Toronto?] :Dept. of Agriculture,1892
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Agriculture  Experimentation  Feeding and feeds  Lambs  Ontario
  172. By: Shaw, Thomas, - Zavitz, C. A. (Charles Ambrose), - Ontario. Dept. of Agriculture.
    Publication info: [Toronto?] :Dept. of Agriculture,1891
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Agriculture  Experimentation  Feeding and feeds  Lambs  Ontario
  173. By: Snyder, L. L. (Lester Lynne), - Logier, E. B. S. (Eugene Bernard Shelley), - Royal Ontario Museum of Zoology.
    Publication info: [Toronto :Royal Ontario Museum of Zoology],1930.
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: King Township  Ontario  Zoology
  174. By: Snyder, L. L. (Lester Lynne), - Logier, E. B. S. (Eugene Bernard Shelley), - Royal Ontario Museum of Zoology.
    Publication info: [Toronto :Royal Ontario Museum of Zoology],1931.
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Long Point Region  Ontario  Zoology
  175. By: Snyder, L. L. (Lester Lynne), - Royal Ontario Museum of Zoology.
    Publication info: Toronto :University of Toronto Press,1941.
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Ontario  Prince Edward County  Zoology  
  176. By: Dymond, J. R. (John Richardson), - Logier, E. B. S. (Eugene Bernard Shelley), - Snyder, L. L. (Lester Lynne), - Royal Ontario Museum of Zoology.
    Publication info: [Toronto :Royal Ontario Museum of Zoology],1928.
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Nipigon, Lake, Region  Ontario  Zoology
  177. By: Snyder, L. L. (Lester Lynne), - Kurata, T. B. (Takatsuna B.) - Logier, E. B. S. (Eugene Bernard Shelley), - Royal Ontario Museum of Zoology.
    Publication info: [Toronto] :Royal Ontario Museum,1942.
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Ontario  Sault Ste. Marie Region  Zoology
  178. By: Snyder, L. L. (Lester Lynne), - Royal Ontario Museum of Zoology.
    Publication info: [Toronto :Royal Ontario Museum of Zoology],1938.
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Ontario  Rainy River District  Zoology
  179. By: Shaw, Thomas, - Zavitz, C. A. (Charles Ambrose), - Ontario. Dept. of Agriculture.
    Publication info: [Toronto?] :Dept. of Agriculture,1891
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Agriculture  Beef cattle  Experimentation  Feeding and feeds  Ontario
  180. By: Shaw, Thomas, - Zavitz, C. A. (Charles Ambrose), - Ontario. Dept. of Agriculture.
    Publication info: [Toronto? :Dept. of Agriculture,1891
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Agriculture  Experimentation  Feeding and feeds  Lambs  Ontario
  181. By: Cody, William J., - Canada. Dept. of Agriculture. Research Branch.
    Edition: Rev.
    Publication info: Ottawa :Research Branch, Dept. of Agriculture,1978.
    Holding Institution: Agriculture and Agri-Food Canada (archive.org)
    Subjects: Canada  Ferns  Identification  Ontario  Ottawa region  
  182. By: Ladd, Harry S., (Harry Stephen)
    Publication info: 1920
    Holding Institution: Smithsonian Institution Archives
    Subjects: Canada  Cuba  Entomology  Field notes  Geology  Missouri  Ontario  United States  
    BHL Collections: Smithsonian Field Books collection
  183. By: Schuchert, Charles
    Publication info: 1911 - 1912
    Holding Institution: Yale Peabody Museum of Natural History
    Subjects: Canada  field books  Fossils  Ontario  Paleontology  Stratigraphy
    BHL Collections: BHL Field Notes Project
  184. By: Schuchert, Charles
    Publication info: 1912
    Holding Institution: Yale Peabody Museum of Natural History
    Subjects: Canada  field books  Fossils  Ontario  Paleontology  Stratigraphy
    BHL Collections: BHL Field Notes Project
  185. By: Ambarle, Marke - Smithsonian Migratory Bird Center
    Publication info: 1996
    Holding Institution: Smithsonian Institution Archives
    Subjects: Botany  Canada  Field notes  migratory birds  Ontario  Ornithology  
    BHL Collections: Smithsonian Field Books collection
  186. By: Shimek, Bohumil,
    Publication info: 1913-1915
    Holding Institution: Smithsonian Institution Archives
    Subjects: Adams  Botany  Canada  Earlville  Field notes  Geology  Iowa  Maps  Mollusks  Ontario  Spirit Lake  Swisher  Toronto  United States  Wisconsin  
    BHL Collections: Smithsonian Field Books collection
  187. By: Cooper, G. Arthur Gustav Arthur
    Publication info: 1934-1940
    Holding Institution: Smithsonian Institution Archives
    Subjects: Canada  Field notes  Geology  Holts Summit  Illinois  Iowa  Maps  Michigan  Minnesota  Missouri  Ontario  Paleontology  Quasqueton  Rogers City  United States  Wisconsin  
    BHL Collections: Smithsonian Field Books collection
  188. By: Gammon, Jennifer - Smithsonian Migratory Bird Center
    Publication info: 1996
    Holding Institution: Smithsonian Institution Archives
    Subjects: Botany  Canada  Field notes  migratory birds  Ontario  Ornithology
    BHL Collections: Smithsonian Field Books collection
  189. By: Wetmore, Alexander,
    Publication info: 1908-1909
    Holding Institution: Smithsonian Institution Archives
    Subjects: Canada  Canandaigua Lake  Colorado  Field notes  Golden  Hazeltine  Kansas  Lawrence  New York  Ontario  Ornithology  Rockport  Whiskey Point  
    BHL Collections: Smithsonian Field Books collection
  190. By: Bailey, Vernon,
    Publication info: 1905-1907
    Holding Institution: Smithsonian Institution Archives
    Subjects: Botany  Field notes  Mammalogy  Mammologists  Michigan  Minnesota  Ontario  Ornithology  United States  
    BHL Collections: Smithsonian Field Books collection
  191. By: Greenberg, Russell - Smithsonian Migratory Bird Center
    Publication info: 1996
    Holding Institution: Smithsonian Institution Archives
    Subjects: Botany  Canada  Field notes  migratory birds  Ontario  Ornithology  
    BHL Collections: Smithsonian Field Books collection
  192. By: Ontario. Game and Fisheries Commission. - Evans, Kelly.
    Publication info: Toronto,L.K. Cameron,1912.
    Holding Institution: Ontario Ministry of Natural Resources Library (archive.org)
    Subjects: Fisheries  Game and game-birds  Ontario  
  193. By: Ontario. Game and Fisheries Commission. - Evans, Kelly.
    Publication info: Toronto :L. K. Cameron, Printer to the King,1912.
    Holding Institution: Scott - York University Libraries (archive.org)
    Subjects: Fisheries  Game and game-birds  Ontario  
  194. By: Dymond, J. R. (John Richardson), - Royal Ontario Museum of Zoology.
    Publication info: [Toronto :Royal Ontario Museum of Zoology],1939.
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Fishes  Ontario  Ottawa region  
  195. By: Panton, J. Hoyes (James Hoyes),
    Publication info: s. l. :s. n.,1889?
    Holding Institution: Brock University (archive.org)
    Subjects: Botany  Niagara Falls  Ontario  Queen Victoria Park
  196. By: Gizyn, W. I.
    Publication info: [Toronto] :Environment Ontario[1991]
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Air  Effect of air pollution on  Environmental aspects  Fluorides  Industries  Ontario  Physiological effect  Plants  Pollution  Sodium  
  197. By: Ontario Nurseries. - Horsley, Jno. F. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, C.A. :Ontario Nurseries,[1894]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: California  Catalogs  Flowers  Nurseries (Horticulture)  Ontario  Plants, Ornamental  Seedlings  
    BHL Collections: Seed & Nursery Catalogs
  198. By: Lemon, R. R. H. (Roy Richard Henry)
    Publication info: Toronto :Royal Ontario Museum,1965
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: Ontario  Paleontology  
  199. By: Bolton, Thomas Elwood, - Copeland, M. J. (Murray John), - Ludvigsen, Rolf. - Wagner, Frances J. E., - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,1979-1985.
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: Ontario  Paleontology  Trilobites  
  200. By: Beak Consultants. - Ontario. Ministry of the Environment. - Paul Theil Associates - Toronto Area Watershed Management Strategy Steering Committee (Ont.)
    Publication info: [Toronto, Ont.] :Environment Ontario,1991.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Don River  Don River (Ont.)  Effect of water quality on  Fishes  Ontario  Pollution  Toxicology  Water  Water quality management  
  201. By: Duff, James S.
    Publication info: [Toronto? :s.n.],1911
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Fruit-culture  Ontario  
  202. By: Ontario. Ministry of Agriculture and Food. - Ontario. Legislative Assembly.
    Publication info: Toronto :William Briggs,[1911].
    Holding Institution: Brock University (archive.org)
    Subjects: Economic aspects  Fruit trade  Fruit-culture  Ontario  
  203. By: Kramer Bros. Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, Calif. :Kramer Bros. Nurseries,1922.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: California  Catalogs  Fruit  Fruit trees  Nursery stock  Ontario  Seedlings  
    BHL Collections: Seed & Nursery Catalogs
  204. By: Ontario. Dept. of Agriculture. Fruit Branch.
    Publication info: Toronto,L.K. Cameron, printer to the King's most excellent Majesty,1914.
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Fruit  Fruit-culture  Ontario  
  205. By: Ontario. Department of Agriculture
    Publication info: Toronto :Printed by L.K. Cameron, printer to the King1907.
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: 1907  canimp  Fruit  Fruit-culture  Ontario  
  206. By: Ontario. Dept. of Agriculture.
    Publication info: Toronto :printed by L. K. Cameron,1907.
    Holding Institution: Cornell University Library
    Subjects: Fruit-culture  Ontario  
  207. By: Ontario. Dept. of Agriculture. Fruit experiment stations.
    Publication info: Toronto,1910.
    Holding Institution: Cornell University Library
    Subjects: Fruit-culture  Ontario
  208. By: Parmelee, John A. - Canada. Dept. of Agriculture.
    Publication info: [Ottawa] :Research Branch, Canada Dept. of Agriculture,1960.
    Holding Institution: Agriculture and Agri-Food Canada (archive.org)
    Subjects: Fungi  Ontario  Rust fungi  
  209. By: Parmelee, John A. - Canada. Agriculture Canada. Research Branch.
    Holding Institution: Agriculture and Agri-Food Canada (archive.org)
    Subjects: Fungi  Ontario  Parasitic plants  
  210. By: Dickson, James,
    Publication info: Toronto :Warwick Bro's & Rutter,1901.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Game and game-birds  Hunting  Ontario  
  211. By: Todd, Rachel R. - Wilkinson, W. N.
    Publication info: Toronto, Canada :The World,c1913.
    Holding Institution: Toronto Public Library : North York Central (archive.org)
    Subjects: Gardening  Ontario  
  212. By: Lawson, Andrew C. (Andrew Cowper), - Walcott, Charles D. (Charles Doolittle),
    Publication info: Ottawa :Canada Dept. of Mines, Geological Survey Branch,1912.
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Canada  Geology  Ontario  Paleontology  Steeprock Lake  
  213. By: Lawson, George,
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    Subjects: Asplenium  Botanical specimens  Canada  Correspondence  Eaton, Daniel Cady, 1834-1895  Lawson, George, 1827-1895  Ontario  Plants  Torrey, John, 1796-1873  Woodsia obtusa
    BHL Collections: John Torrey Papers | New York Botanical Garden
  214. By: Edward Lowden (Firm) - Lowden, Edward. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Hamilton, Ontario :Edward Lowden,1932.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Berries  Catalogs  Hamilton  Nurseries (Horticulture)  Nursery stock  Ontario  Seed industry and trade  Seedlings  Seeds  Vegetables
    BHL Collections: Seed & Nursery Catalogs
  215. By: McKenzie Glad Gardens. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Paisley, Ontario :McKenzie Glad Gardens,1927.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bulbs (Plants)  Gladiolus  Nursery stock  Ontario  Prices  Varieties  
    BHL Collections: Seed & Nursery Catalogs
  216. By: Grainger Bros. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Toronto, Ont. :Grainger Bros.,1901.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bulbs (Plants)  Catalogs  Flowers  Nursery stock  Ontario  Plants, Ornamental  Seeds  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
  217. By: Grand Opera House (London, Ont.)
    Publication info: London, Ont.? :s.n.,1894?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Dogs  London  Ontario  
  218. By: Harrison, F. C. (Francis Charles), - Day, G. E. - Ontario Agricultural College. - Ontario. Dept. of Agriculture.
    Publication info: Toronto :Ontario Dept. of Agriculture,1895
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Grasses  Identification  Ontario  
  219. By: Dore, William George. - Dore, William G.,
    Publication info: Ottawa,Dept. of Agriculture,1959.
    Holding Institution: Agriculture and Agri-Food Canada (archive.org)
    Subjects: Botany  Grasses  Ontario  Ottawa  
  220. By: Ontario. Waste Management Branch.
    Publication info: Toronto :Environment Ontario,c1992.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Environmental monitoring  Hazardous waste site remediation  Hazardous waste sites  Industrial sites  Law and legislation  Ontario  Plant shutdowns  Standards  
  221. By: Skelton, Eleanor G., - Skelton, Emerson W., - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,1991.
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: Botany  Haliburton (County)  Ontario  
  222. By: Crocker, Denton W. - Barr, David W. - Royal Ontario Museum.
    Publication info: Toronto :Published for Royal Ontario Museum by University of Toronto Press,1968.
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: Crayfish  Crustacea  Ontario  
  223. By: Burgess, M.,
    Publication info: Woodstock, Ont.? :s.n.,1888?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Breeding  Horses  Ontario  Woodstock  
  224. By: Snyder, L. L. (Lester Lynne), - Shortt, T. M.
    Edition: Rev. ed.
    Publication info: [Toronto] :Royal Ontario Museum of Zoology,1947.
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: Birds  Hawks  Ontario  Owls  
  225. By: Lochhead, William, - Ontario Agricultural College.
    Publication info: Toronto :Dept. of Agriculture,[1901]
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Flies  Hessian flies  Insect pests  Ontario  
  226. By: Coleman, J. T.
    Publication info: Bowmanville [Ont.] :West Durham Steam Print. and Pub. House,1875.
    Holding Institution: Cornell University Library
    Subjects: Bowmanville region (Ont.)  Durham (County)  Durham (Ont. : County)  History  Ontario  Zoology  
  227. By: Coleman, J. T.
    Publication info: Bowmanville [Ont.] :West Durham Steam Print. and Pub. House,1875.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Bowmanville region (Ont.)  Durham (County)  Durham (Ont. : County)  History  Ontario  Pioneers  Zoology  
  228. By: Coleman, J. T.
    Publication info: Bowmanville [Ont.] :West Durham Steam Print. and Pub. House,1875.
    Holding Institution: Multiple institutions
    Subjects: 1875  Bowmanville (Ont.)  canimp  Durham (County)  Durham (Ont. : County)  Durham County  Durham County (Ont.)  History  Ontario  Zoology  
  229. By: Homewood Gardens (Orillia, Ont.) - Bacon, W. E. - Bacon, W. P. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Orillia, Ontario, Canada :Homewood Gardens,[1929?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Delphinium  Flowers  Nurseries (Horticulture)  Nursery stock  Ontario  Orillia  Prices  Seeds  
    BHL Collections: Seed & Nursery Catalogs
  230. By: Ontario. Dept. of Agriculture
    Publication info: TorontoKing's Printer
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Horticulture  Ontario  Societies, etc  
  231. By: Toronto Agricultural Warehouse (Firm).
    Edition: 5th ed.
    Publication info: Toronto? :s.n.,1872
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Agricultural implements  Agricultural machinery  Nursery stock  Ontario  Toronto  Trade and manufacture  
  232. By: McMaster, M. E. - Ontario. Ministry of the Environment. Research and Technology Branch.
    Publication info: [Toronto] :Environment Ontario,[1991].
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Effect of water pollution on  Environmental aspects  Fishes  Ontario  Pollution  Water  Wood-pulp industry  
  233. By: Devito, Kevin John, - Dillon, P. J. - Ontario. Ministry of the Environment.
    Publication info: [Toronto] :Queen's Printer for Ontario,1992.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Environment aspects  Lake ecology  Nitrogen  Nitrogen content  Ontario  Phosphorus  Phosphorus content  Stream ecology  Water  
  234. By: Devito, Kevin John,
    Publication info: [Toronto] :Ontario Environment,1992.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Conifers  Environmental aspects  Nitrogen  Ontario  Phosphorus  Runoff  Swamps  
  235. By: Bethune, Charles J. S. (Charles James Stewart), - Ontario. Dept. of Agriculture.
    Publication info: Toronto :Dept. of Agriculture,[1909]
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Diseases and pests  Insect pests  Ontario  Vegetables  
  236. By: Ontario. Dept. of Agriculture.
    Publication info: Toronto? :Ontario Dept. of Agriculture,1900?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Agricultural pests  Control  Ontario  Spraying and dusting in agriculture  
  237. By: Ontario. Dept. of Agriculture.
    Publication info: Toronto? :Ontario Dept. of Agriculture,1899?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Agricultural pests  Control  Ontario  Spraying and dusting in agriculture  
  238. By: Panton, J. Hoyes (James Hoyes), - Ontario Agricultural College. - Ontario. Dept. of Agriculture.
    Publication info: Toronto :Ontario Dept. of Agriculture,1897.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Agricultural pests  Control  Ontario  Spraying and dusting in agriculture  
  239. By: Drummond, A. T. (Andrew Thomas),
    Publication info: S.l. :s.n.,18--
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Botany  Ontario  Plants  Québec (Province)  
  240. By: Wilmot, Samuel,
    Publication info: S.l. :s.n.,1882?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Fish culture  Fish populations  Ontario  Salmon  
  241. By: Ontario. Environmental Research Program. - Ontario. Ministry of the Environment. Research and Technology Branch. - Ontario. Ministry of the Environment. Research Management Office.
    Publication info: [Toronto] :Ontario, Ministry of the Environment,1987-
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Abstracts  Ecology  Environmental policy  Ontario  Periodicals  Research  
  242. By: Fulton, J. M. (James McCullough) - Canada. Dept. of Agriculture.
    Publication info: Ottawa :Canada Dept. of Agriculture,1966.
    Holding Institution: Agriculture and Agri-Food Canada (archive.org)
    Subjects: Irrigation  Irrigation farming  Ontario  Potatoes  
  243. By: J.A. Simmers (Firm) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Toronto, Ont. :J.A. Simmers,1901.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bulbs (Plants)  Catalogs  Equipment and supplies  Flowers  Gardening  Nursery stock  Ontario  Seeds  Toronto  
    BHL Collections: Seed & Nursery Catalogs
  244. By: J.H. Callander (Firm) - Callander, J. H. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Peterborough, Ontario :J.H. Callander,[1927?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bulbs (Plants)  Flowers  Nursery stock  Ontario  Peterborough  Plants, Ornamental  Prices  
    BHL Collections: Seed & Nursery Catalogs
  245. By: J.H. Callander (Firm) - Callander, J. H. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Peterborough, Ontario :J.H. Callander,[1928?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bulbs (Plants)  Delphinium  Flowers  Nursery stock  Ontario  Peterborough  Plants, Ornamental  Prices  
    BHL Collections: Seed & Nursery Catalogs
  246. By: John A. Bruce & Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection. - Pioneer Seed House of Canada.
    Publication info: Hamilton, Canada :John A. Bruce & Co.,[1901]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Agricultural implements  Catalogs  Flowers  Nursery stock  Ontario  Seeds  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
  247. By: John A. Bruce & Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Hamilton, Ont. :John A. Bruce & Co.,[1902]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Agricultural implements  Catalogs  Flowers  Nursery stock  Ontario  Seeds  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
  248. By: John Hume (Firm) - Hume, John. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Port Hope, Ont. :John Hume,[1901]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Beans  Catalogs  Nursery stock  Ontario  Peas  Port Hope  Seeds  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
  249. By: Entomological Society of Ontario.
    Publication info: [Harrow, Ont.] :Entomological Society of Ontario,2003-
    Holding Institution: Multiple institutions
    Subjects: Beneficial insects  Entomologie  Entomology  Insect pests  Insects  Ontario  Periodicals
    BHL Collections: Expanding Access to Biodiversity Literature
  250. By: Wait, Benjamin, - Wait, Maria
    Publication info: Buffalo :A.W. Wilgus,1843.
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: 1843  canimp  Description and travel  Ontario  Politics and government  Tasmania  
  251. By: Caesar, Lawson, - Ontario. Dept. of Agriculture.
    Publication info: Toronto :Dept. of Agriculture,[1912]
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Control  Diseases and pests  Fruit  Insect pests  Ontario  Spraying and dusting in agriculture  
  252. By: Fulmer, H. L. - Caesar, Lawson, - Ontario. Dept. of Agriculture.
    Publication info: Toronto :Dept. of Agriculture,1909.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Control  Diseases and pests  Fruit  Insect pests  Ontario  Spraying and dusting in agriculture  
  253. By: McIlwraith, Thomas,
    Publication info: [Toronto? :s.n.,1860?[
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Birds  Hamilton  Ontario  
  254. By: Billings, B. (Braddish),
    Publication info: Ottawa,1867?
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    Subjects: Ontario  Ottawa region  Plants  Québec (Province)
    BHL Collections: New York Botanical Garden
  255. By: Bell, John. - Geological Survey of Canada
    Publication info: Montreal :[s.n.],1870.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Botany  Manitoulin Islands  Ontario  Plants  
  256. By: Bell, John,
    Publication info: Montreal :Geological Survey of Canada,1870.
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    Subjects: Manitoulin Island Region  Ontario  Plants
    BHL Collections: New York Botanical Garden
  257. By: Dodge, C. K. (Charles Keene), - Commission géologique du Canada.
    Publication info: Ottawa :Impr. du gouvernement,1917.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Botany  Essex (County)  Ontario  
  258. By: Caesar, Lawson, - Ontario. Dept. of Agriculture.
    Publication info: Toronto :Dept. of Agriculture,1910.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Diseases and pests  Fruit  Ontario  Peach  
  259. By: Protectionist
    Publication info: [Toronto? :s.n.],1883
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Forests and forestry  Ontario  Politics and government  
  260. By: Cooper, G. Arthur Gustav Arthur
    Publication info: 1926-1970
    Holding Institution: Smithsonian Institution Archives
    Subjects: Canada  Field notes  Geology  Illinois  Indiana  Iowa  Michigan  Minnesota  Missouri  New York  Ohio  Ontario  Paleontology  Pennsylvania  United States  
    BHL Collections: Smithsonian Field Books collection
  261. By: Telford, P. G. - Tarrant, G. A. - Von Bitter, Peter H. - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,1977.
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: Conodonts  Devonian  Niagara Peninsula  Ontario  Paleoecology  Paleontology  
  262. By: Cross, E. C. (Ewart Campbell), - Dymond, J. R. (John Richardson),
    Publication info: [Toronto] :University of Toronto Press,1929.
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: 1929  canimp  Mammals  Ontario  
  263. By: Gartner Lee Associates. - Ontario. Ministry of the Environment.
    Publication info: [Markham, ON?] :Gartner Lee Ltd.,1990.
    Holding Institution: Ontario Ministry of the Environment (archive.org)
    Subjects: Ontario  Sanitary landfills  Utilization  Weeds  
  264. By: Penhallow, D. P. (David Pearce),
    Publication info: Toronto :Copp, Clark,1899.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Botany  Ontario  Québec (Province)  
  265. By: Day, George E. (George Edward), - Miller, H. H. - Ontario. Dept. of Agriculture.
    Publication info: Toronto :L.K. Cameron,1905.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Control  Ontario  Weeds  
  266. By: Robertson, Albert Duncan
    Publication info: [Ontario,[1915?]
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Georgian Bay  Mollusks  Ontario  
  267. By: Faull, J. H. (Joseph Horace), - Canadian Institute. - International Geological Congress Toronto, Ont.)
    Publication info: Toronto :Canadian Institute,1913.
    Holding Institution: University of Toronto - Robarts Library
    Subjects: Natural history  Ontario  Toronto Metropolitan Area  
  268. By: Faull, J. H. (Joseph Horace),
    Publication info: Toronto :Canadian Institute,1913.
    Holding Institution: Scott - York University Libraries (archive.org)
    Subjects: Natural history  Ontario  Toronto  
  269. By: Canadian Institute. - Faull, J. H. (Joseph Horace),
    Publication info: Toronto,Pub. by the Canadian institute,1913.
    Holding Institution: Cornell University Library
    Subjects: History  Natural history  Ontario  Toronto  Toronto (Ont.)  
  270. By: Kramer Bros. Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, California :Kramer Brothers Nurseries,[1925]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: California  Catalogs  Fruit trees  Nurseries (Horticulture)  Nursery stock  Nut trees  Ontario  Plants, Ornamental  Seedlings  Trees  
    BHL Collections: Seed & Nursery Catalogs
  271. By: Kramer Bros. Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, California :Kramer Brothers Nurseries,[1926]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: California  Catalogs  Fruit trees  Nurseries (Horticulture)  Nursery stock  Nut trees  Ontario  Plants, Ornamental  Seedlings  Trees  
    BHL Collections: Seed & Nursery Catalogs
  272. By: Kramer Bros. Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, California :Kramer Brothers Nurseries,[1927]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: California  Catalogs  Fruit trees  Nurseries (Horticulture)  Nursery stock  Nut trees  Ontario  Plants, Ornamental  Seedlings  Trees  
    BHL Collections: Seed & Nursery Catalogs
  273. By: J.W. Crow (Firm) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Simcoe, Ont. :J.W. Crow,1926.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bulbs (Plants)  Catalogs  Gladiolus  Nurseries (Horticulture)  Nursery stock  Ontario  Prices  Roots  Simcoe  
    BHL Collections: Seed & Nursery Catalogs
  274. By: Hedley, James,
    Publication info: [Toronto? :s.n.],1884
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Hunting  Ontario  
  275. By: Meek, Seth Eugene, - Clark, Howard Walton,
    Publication info: Chicago,1902.
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Ontario  Vertebrates  
  276. By: Meek, Seth Eugene,
    Publication info: Chicago,1899.
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Fishes  Ontario  Reptiles  
  277. By: Wiggins, Glenn B. - Walden, F. A. - Whitfield, R. E. - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,1957.
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Hydrozoa  Ontario  
  278. By: Saunders, William, - Royal Society of Canada.
    Publication info: S.l. :s.n.,1884?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Butterflies  Ontario  
  279. By: Nitecki, Matthew H.
    Publication info: Chicago :Field Museum of Natural History,1971.
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Chicago  Devonian  Illinois  Ischadities stellatus  Ontario  Paleobotany  Plants, Fossil  Silurian  
  280. By: Wm. Fleming (Firm) - Fleming, Wm. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Owen Sound, Ont. :Wm. Fleming,[1924]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Berries  Catalogs  Fruit trees  Nurseries (Horticulture)  Nursery stock  Ontario  Owen Sound  Seedlings  
    BHL Collections: Seed & Nursery Catalogs
  281. By: McIntosh, George C. (George Clay), - Brett, Carlton E. (Carlton Elliot) - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,1988.
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Crinoidea, Fossil  Lincoln (County)  New York (State)  Niagara County  Ontario  Paleontology  Silurian  
  282. By: West Lambton Farmers' Institute.
    Publication info: Sarnia, Ont. :West Lambton Farmers' Institute,1911?
    Holding Institution: Toronto Public Library : North York Central (archive.org)
    Subjects: Agriculture  Clubs  History  Lambton  Lambton (Ont.)  Ontario  West Lambton Farmers' Institute  
  283. By: Springer, Frank, - Geological Survey of Canada
    Publication info: Ottawa :Govt. Print. Bureau,1911.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Echinodermata  Kirkfield  Ontario  Paleontology  
  284. By: McIlwraith, Thomas, - Hamilton Scientific Association.
    Publication info: S.l.,s.n.,1885?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Birds  Ontario  Ornithology  
  285. By: Snyder, L. L. (Lester Lynne), - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,1953.
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: 1953  Alder flycatcher  canimp  Empidonax  Ontario  
  286. By: Fleming, James H. (James Henry), - Snyder, L. L. (Lester Lynne), - Royal Ontario Museum of Zoology.
    Publication info: Toronto :University of Toronto Press,1939.
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: Birds  Ontario  Song sparrow
  287. By: Dawson, J. W. (John William), Sir, - Hincks, Thomas,
    Publication info: S.l. :s.n.,1883?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Ontario  Paleontology  Whales  
  288. By: Fergusson, Adam,
    Publication info: Cupar [Scotland] :G.S. Tullis,1832.
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Emigration and immigration  Great Britain  Ontario  Québec (Province)  United States  
  289. By: Marsh, C. Dwight (Charles Dwight),
    Publication info: [Lansing, Mich.? :s.n.],1895
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Crustacea  Michigan, Lake  Ontario  St. Clair, Lake  
  290. By: Raymond, Percy E. (Percy Edward),
    Publication info: Ottawa? :s.n.,1910?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Fossils  Ontario  Trilobites  
  291. By: Snyder, L. L. (Lester Lynne), - Baillie, James Little, - Royal Ontario Museum of Zoology.
    Publication info: [Toronto] :Published under the Reuben Wells Leonard bequest,1938.
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: 1938  Birds  canimp  Catalogs and collections  Ontario  Royal Ontario Museum of Zoology  
  292. By: Harris, Edward,
    Publication info: [Toronto]? :s.n.,1906.
    Holding Institution: Queen's University, W.D. Jordan Special Collections & Music Library (archive.org)
    Subjects: Fish populations  Fisheries  Fishery management  Ontario