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  1. 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
    Subjects: Crayfish  Crustacea  Ontario  
  2. By: Burgess, M.
    Publication info: Woodstock, Ont.?, s.n, 1888?
    Holding Institution: Canadiana.org
    Subjects: Breeding  Horses  Ontario  Woodstock  
  3. By: McConnell Nursery Company. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Port Burwell, Ontario, McConnell Nursery Co, 1945
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Fruit trees  Nursery stock  Ontario  Plants, Ornamental  Seedlings  Trees  Varieties  
    BHL Collections: Seed & Nursery Catalogs
  4. By: Snyder, L. L. (Lester Lynne), - 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
    Subjects: Birds  Hawks  Ontario  Owls  
  5. By: Lochhead, W. - Ontario Agricultural College.
    Publication info: Toronto, Dept. of Agriculture, [1901]
    Holding Institution: Canadiana.org
    Subjects: Flies  Hessian flies  Insect pests  Ontario  
  6. By: Coleman, J. T.
    Publication info: Bowmanville [Ont.], West Durham Steam Print. and Pub. House, 1875
    Holding Institution: Canadiana.org
    Subjects: Bowmanville region (Ont.)  Durham (County)  Durham (Ont. : County)  History  Ontario  Pioneers  Zoology  
  7. By: Coleman, J. T.
    Publication info: Bowmanville [Ont.], West Durham Steam Print. and Pub. House, 1875
    Holding Institution: Multiple institutions
    Subjects: 1875  Bowmanville (Ont.)  Bowmanville region (Ont.)  canimp  Durham (County)  Durham (Ont. : County)  Durham County  Durham County (Ont.)  History  Ontario  Zoology  
  8. By: Homewood Gardens (Orillia, Ont.) - Bacon, W. Percy. - Bacon, W. Eric. - 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
  9. By: Ontario. Dept. of Agriculture
    Publication info: Toronto, King's Printer,
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Horticulture  Ontario  Societies, etc  
  10. By: Toronto Agricultural Warehouse (Firm).
    Edition: 5th ed.
    Publication info: Toronto?, s.n, 1872
    Holding Institution: Canadiana.org
    Subjects: Agricultural implements  Agricultural machinery  Nursery stock  Ontario  Toronto  Trade and manufacture  
  11. 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
    Subjects: Effect of water pollution on  Environmental aspects  Fishes  Ontario  Pollution  Water  Wood-pulp industry  
  12. 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
    Subjects: Environment aspects  Lake ecology  Nitrogen  Nitrogen content  Ontario  Phosphorus  Phosphorus content  Stream ecology  Water  
  13. By: Devito, Kevin John,
    Publication info: [Toronto], Ontario Environment, 1992
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Conifers  Environmental aspects  Nitrogen  Ontario  Phosphorus  Runoff  Swamps  
  14. By: Bethune, Charles J. S. (Charles James Stewart), - Ontario. Dept. of Agriculture.
    Publication info: Toronto, Dept. of Agriculture, [1909]
    Holding Institution: Canadiana.org
    Subjects: Diseases and pests  Insect pests  Ontario  Vegetables  
  15. By: Ontario. Dept. of Agriculture.
    Publication info: Toronto?, Ontario Dept. of Agriculture, 1900?
    Holding Institution: Canadiana.org
    Subjects: Agricultural pests  Control  Ontario  Spraying and dusting in agriculture  
  16. 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
    Subjects: Agricultural pests  Control  Ontario  Spraying and dusting in agriculture  
  17. By: Ontario. Dept. of Agriculture.
    Publication info: Toronto?, Ontario Dept. of Agriculture, 1899?
    Holding Institution: Canadiana.org
    Subjects: Agricultural pests  Control  Ontario  Spraying and dusting in agriculture  
  18. By: Drummond, A. T. (Andrew Thomas),
    Publication info: S.l, s.n, 18--
    Holding Institution: Canadiana.org
    Subjects: Botany  Ontario  Plants  Québec (Province)  
  19. By: Wilmot, Samuel,
    Publication info: S.l, s.n, 1882?
    Holding Institution: Canadiana.org
    Subjects: Fish culture  Fish populations  Ontario  Salmon  
  20. 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
    Subjects: Abstracts  Ecology  Environmental policy  Ontario  Periodicals  Research  
  21. By: Fulton, J. M. (James McCullough) - Canada. Department of Agriculture.
    Publication info: Ottawa, Canada Dept. of Agriculture, 1966
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
    Subjects: Irrigation  Irrigation farming  Ontario  Potatoes  
  22. By: Hilts, Stewart G. (Stewart Garvie) - Kirk, Malcolm. - Reid, Ronald A. - Natural Heritage League. - Ontario Heritage Foundation.
    Publication info: Toronto, Ontario Heritage Foundation, 1986
    Holding Institution: University of Toronto - Robarts Library
    Subjects: Landscape protection  Natural areas  Nature centers  Nature conservation  Ontario
  23. 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
  24. 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
  25. 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
  26. By: John A. Bruce & Co. - Pioneer Seed House of Canada. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    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
  27. 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
  28. 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
  29. By: Kerr Family. - Kerr, John William, - Kerr, Frederick William, - Kerr, John William, - Canadian National Sportmen's Fund - Kerr, Charles John, - Kerr, Robert B.,
    Publication info: 1864-1898
    Holding Institution: Royal Ontario Museum
    Subjects: 1812-1888  Archives  d. 1902  Effect of poaching on  Fisheries  Fishes  Kerr, Frederick W.,  Kerr, John William,  Ontario  Sources  
  30. 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
  31. By: Haugh, Bruce N.
    Publication info: New York, N.Y, American Museum of Natural History, c1979
    Holding Institution: American Museum of Natural History Library
    Subjects: Crinoidea, Fossil  Echinodermata, Fossil  Ontario  Ordovician  Paleontology  Parisocrinus mulletensis  Rheocrinus aduncus
  32. 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  
  33. 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  
  34. By: Caesar, Lawson, - Ontario. Dept. of Agriculture.
    Publication info: Toronto, Dept. of Agriculture, [1912]
    Holding Institution: Canadiana.org
    Subjects: Control  Diseases and pests  Fruit  Insect pests  Ontario  Spraying and dusting in agriculture  
  35. By: Fulmer, H. L. - Caesar, Lawson, - Ontario. Dept. of Agriculture.
    Publication info: Toronto, Dept. of Agriculture, 1909
    Holding Institution: Canadiana.org
    Subjects: Control  Diseases and pests  Fruit  Insect pests  Ontario  Spraying and dusting in agriculture  
  36. By: Armstrong Nurseries (Ontario, Calif.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, California, Armstrong Nurseries, 1936
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: California  Catalogs  Nursery stock  Ontario  Ornamental trees  Shrubs  
    BHL Collections: Seed & Nursery Catalogs
  37. By: McIlwraith, Thomas,
    Publication info: [Toronto?, s.n, 1860?
    Holding Institution: Canadiana.org
    Subjects: Birds  Hamilton  Ontario  
  38. 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)  
  39. By: Bell, John, - Geological Survey of Canada
    Publication info: Montreal, [s.n.], 1870
    Holding Institution: Canadiana.org
    Subjects: Botany  Manitoulin Islands  Ontario  Plants  
  40. 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  
  41. By: Dodge, C. K. (Charles Keene), - Geological Survey of Canada
    Publication info: Ottawa, Impr. du gouvernement, 1917
    Holding Institution: Canadiana.org
    Subjects: Botany  Essex (County)  Ontario  
  42. By: Caesar, Lawson, - Ontario. Dept. of Agriculture.
    Publication info: Toronto, Dept. of Agriculture, 1910
    Holding Institution: Canadiana.org
    Subjects: Diseases and pests  Fruit  Ontario  Peach  
  43. By: Protectionist
    Publication info: [Toronto?, s.n.], 1883
    Holding Institution: Canadiana.org
    Subjects: Forests and forestry  Ontario  Politics and government  
  44. 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
  45. By: Telford, P. G. - Von Bitter, Peter H. - Tarrant, G. A. - Royal Ontario Museum.
    Publication info: Toronto, Royal Ontario Museum, 1977
    Holding Institution: Royal Ontario Museum
    Subjects: Conodonts  Devonian  Niagara Peninsula  Ontario  Paleoecology  Paleontology  
  46. By: Cross, E. C. (Ewart Campbell), - Dymond, J. R. (John Richardson),
    Publication info: [Toronto], University of Toronto Press, 1929
    Holding Institution: Royal Ontario Museum
    Subjects: 1929  canimp  Mammals  Ontario  
  47. By: Gartner Lee Associates. - Ontario. Ministry of the Environment.
    Publication info: [Markham, ON?], Gartner Lee Ltd, 1990
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Ontario  Sanitary landfills  Utilization  Weeds  
  48. By: Penhallow, D. P. (David Pearce),
    Publication info: Toronto, Copp, Clark, 1899
    Holding Institution: Canadiana.org
    Subjects: Botany  Ontario  Québec (Province)  
  49. By: Matlin'S Nursery, - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, California, Matlin's Nursery, [1955]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: California  Catalogs  Nursery stock  Ontario  Roses  Varieties  
    BHL Collections: Seed & Nursery Catalogs
  50. By: Matlin'S Nursery, - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, California, Matlin's Nursery, [1956]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: California  Catalogs  Nursery stock  Ontario  Roses  Varieties  
    BHL Collections: Seed & Nursery Catalogs
  51. By: Matlin'S Nursery, - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, California, Matlin's Nursery, 1957
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: California  Catalogs  Nursery stock  Ontario  Roses  Varieties  
    BHL Collections: Seed & Nursery Catalogs
  52. By: Day, George E., - Miller, H. H. - Ontario. Dept. of Agriculture.
    Publication info: Toronto, L.K. Cameron, 1905
    Holding Institution: Canadiana.org
    Subjects: Control  Ontario  Weeds  
  53. By: Robertson, Albert Duncan
    Publication info: [Ontario, [1915?]
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Georgian Bay  Mollusks  Ontario  
  54. By: Glenny, George, - 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.)  
  55. By: Faull, J. H. (Joseph Horace), - Glenny, George, - 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  
  56. By: Faull, J. H. (Joseph Horace),
    Publication info: Toronto, Canadian Institute, 1913
    Holding Institution: Scott - York University Libraries
    Subjects: Natural history  Ontario  Toronto  
  57. 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
  58. 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
  59. 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
  60. 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
  61. By: Ulrich, E. O. (Edward Oscar),
    Publication info: 1913
    Holding Institution: Smithsonian Institution Archives
    Subjects: Canada  Field notes  Geology  New York  Ontario  Paleontology  United States  
    BHL Collections: Smithsonian Field Books collection
  62. By: Hedley, James,
    Publication info: [Toronto?, s.n.], 1884
    Holding Institution: Canadiana.org
    Subjects: Hunting  Ontario  
  63. By: Meek, Seth E. (Seth Eugene), - Clark, H. Walton (Howard Walton),
    Publication info: Chicago, 1902
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Ontario  Vertebrates  
  64. By: Meek, Seth E. (Seth Eugene),
    Publication info: Chicago, 1899
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Fishes  Ontario  Reptiles  
  65. By: Wiggins, Glenn B. - Whitfield, R. E. - Walden, F. A. - Royal Ontario Museum.
    Publication info: Toronto, Royal Ontario Museum, 1957
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Hydrozoa  Ontario  
  66. By: Saunders, William, - Royal Society of Canada.
    Publication info: S.l, s.n, 1884?
    Holding Institution: Canadiana.org
    Subjects: Butterflies  Ontario  
  67. 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  
  68. 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
  69. 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  
  70. By: West Lambton Farmers' Institute.
    Publication info: Sarnia, Ont, West Lambton Farmers' Institute, 1911?
    Holding Institution: Toronto Public Library : North York Central
    Subjects: Agriculture  Clubs  History  Lambton  Lambton (Ont.)  Ontario  West Lambton Farmers' Institute  
  71. By: Ontario. Ministry of Agriculture, Food and Rural Affairs, - Ontario Ministère de l'agriculture, de l'alimentation et des affaires rurales,
    Publication info: [Toronto], Ministry of Agriculture, Food and Rural Affairs, Dec. 2019
    Holding Institution: Unknown
    Subjects: Food  Labeling  Law and legislation  Ontario  Packaging  Plants, Edible  Produce trade  Quality control  Safety measures  
  72. By: Springer, Frank, - Geological Survey of Canada
    Publication info: Ottawa, Govt. Print. Bureau, 1911
    Holding Institution: Canadiana.org
    Subjects: Echinodermata  Kirkfield  Ontario  Paleontology  
  73. By: McIlwraith, Thomas, - Hamilton Scientific Association.
    Publication info: S.l, s.n, 1885?
    Holding Institution: Canadiana.org
    Subjects: Birds  Ontario  Ornithology  
  74. 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  
  75. 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
    Subjects: Birds  Ontario  Song sparrow  
  76. By: Dawson, J. W., (John William), - Hincks, Thomas,
    Publication info: S.l, s.n, 1883?
    Holding Institution: Canadiana.org
    Subjects: Ontario  Paleontology  Whales  
  77. By: Fergusson, Adam,
    Publication info: Cupar [Scotland], G.S. Tullis, 1832
    Holding Institution: Canadiana.org
    Subjects: Emigration and immigration  Great Britain  Ontario  Québec (Province)  United States  
  78. By: Marsh, C. Dwight (Charles Dwight),
    Publication info: [Lansing, Mich.?, s.n.], 1895
    Holding Institution: Canadiana.org
    Subjects: Crustacea  Michigan, Lake  Ontario  St. Clair, Lake  
  79. By: Raymond, Percy E. (Percy Edward),
    Publication info: Ottawa?, s.n, 1910?
    Holding Institution: Canadiana.org
    Subjects: Fossils  Ontario  Trilobites  
  80. 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  
  81. By: Ontario Beef Cattle Improvement Association - Wayne Caldwell Neely Collection Of Shorthorn Cattle Catalogs.
    Publication info: Toronto, Ontario, Ontario Beef Cattle Improvement Association, February 27-28, 1957
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Ontario  Shorthorn cattle  Toronto  
    BHL Collections: Seed & Nursery Catalogs
  82. By: Harris, Edward,
    Publication info: [Toronto]?, s.n, 1906
    Holding Institution: Queen's University, W.D. Jordan Special Collections & Music Library
    Subjects: Fish populations  Fisheries  Fishery management  Ontario  
  83. By: Harris, Edward,
    Publication info: Toronto?, s.n, 1906?
    Holding Institution: Canadiana.org
    Subjects: Fish populations  Fishery management  Ontario  
  84. By: O'Brien, A. H. (Arthur Henry), - Canada. Department of Marine and Fisheries.
    Edition: 5th ed.
    Publication info: Toronto, Canada Law Book, 1903
    Holding Institution: Canadiana.org
    Subjects: Birds  Conservation  Fishery law and legislation  Game-laws  Law and legislation  Ontario  
  85. By: Beak Consultants. - Ontario. Phytotoxicology Section.
    Publication info: Brampton, Ont, The Section, 1993
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Effect of acid precipitation on  Forest declines  Forest surveys  Hardwoods  Ontario  
  86. Publication info: Toronto, Ont, Ontario Horticultural Exhibition, 1905
    Holding Institution: Toronto Public Library : North York Central
    Subjects: Exhibitions  Gardening  History  Ontario  Ontario Horticultural Exhibition (Toronto, Ont.)  Toronto  Toronto (Ont.)  
  87. By: Ontario. Hazardous Contaminants Branch.
    Publication info: [Toronto, Ont.], Hazardous Contaminants Branch, Ontario Ministry of the Environment, 1990
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Environmental indicators  Environmental monitoring  Ontario  
  88. By: Environmental Commissioner Of Ontario
    Publication info: Toronto, The Office, 1994
    Holding Institution: University of Toronto - Robarts Library
    Subjects: Environmental Bill of Rights Act, 1993  Environmental law  Environmental monitoring  Environmental policy  Environmental protection  Ontario  
  89. Publication info: S.l, s.n, 1897?
    Holding Institution: Brock University
    Subjects: Ontario  Orchards  Vineyards  
  90. By: Reddoch, Joyce M. - Reddoch, Allan H. - Ottawa Field-Naturalists' Club
    Publication info: Ottawa, Canada The Ottawa Field-Naturalists' Club [1997]
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: Classification  Geographical distribution  History  Identification  Ontario  Orchids  
  91. By: Gold Medal People Ltd. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Toronto, Ont, Gold Medal People Limited, [1931?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Commercial catalogs  Flowers  Nurseries (Horticulture)  Nursery stock  Ontario  Seeds  Toronto  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
  92. By: Gold Medal People Ltd. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Toronto, Ont, Gold Medal People Limited, [1932?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Commercial catalogs  Flowers  Ontario  Seed industry and trade  Seeds  Toronto  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
  93. By: Gold Medal People Ltd. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Toronto, Ont, Gold Medal People Limited, [1935?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Flowers  Ontario  Prices  Seed industry and trade  Seeds  Toronto  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
  94. By: Suns, K. - Ontario. Ministry of Environment and Energy.
    Publication info: [Toronto], Ontario Ministry of Environment and Energy, 1994
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Analysis  Effect of water pollution on  Environmental aspects  Freshwater fishes  Ontario  Organic compounds  Organic water pollutants  Pollution  Toronto Region  Water  
  95. By: Ontario. Department of Energy and Resources Management
    Publication info: Toronto, Dept. of Energy and Resources Management, 1965
    Holding Institution: University of Toronto - Robarts Library
    Subjects: History  Nature conservation  Ontario  Otonabee River region  Otonabee River Region (Ont.)  
  96. By: Jaagumagi, R. - Ontario. Ministry of the Environment.
    Publication info: [Peterborough, ON], Ministry of the Environment, 1999
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Analysis  Biological assay  Contaminated sediments  Effect of water pollution on  Environmental aspects  Environmental monitoring  Fish  Lake sediments  Ontario  Pollution  Polychlorinated biphenyls  River sediments  Water  
  97. By: Ottawa Field-Naturalists' Club
    Publication info: Ottawa?, s.n, 1883?
    Holding Institution: Canadiana.org
    Subjects: Natural history  Ontario  Ottawa  Ottawa Field-Naturalists' Club  
  98. By: Ottawa Field-Naturalists' Club
    Publication info: Ottawa?, s.n, 1884?
    Holding Institution: Canadiana.org
    Subjects: Natural history  Ontario  Ottawa  Ottawa Field-Naturalists' Club  
  99. By: Darch & Hunter Seed Co., Limited. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: London, Ont, Lou S. Darling Seed Co, [1917]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Equipment and supplies  Gardening  London  Nurseries (Horticulture)  Nursery stock  Ontario  Prices  Seeds  
    BHL Collections: Seed & Nursery Catalogs
  100. By: Harris, Edward, - Ontario. Legislative Library,
    Publication info: Toronto, Briggs, 1906
    Holding Institution: Multiple institutions
    Subjects: 1906  Canada  canimp  Fisheries  Fishery policy  Ontario
  101. By: Clarke, Charles, - Elora Natural History Society.
    Publication info: Elora, Ont.?, s.n, 1875?
    Holding Institution: Canadiana.org
    Subjects: Birds  Ontario  
  102. By: Clarke, Charles,
    Publication info: s.l, s.n, 1875
    Holding Institution: Queen's University, W.D. Jordan Special Collections & Music Library
    Subjects: Elora  Natural history  Ontario  Ornithology  Societies, etc  
  103. By: Brett, Carlton E. (Carlton Elliot) - Eckert, James D., - Royal Ontario Museum.
    Publication info: Toronto, Royal Ontario Museum, 1982
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Crinoidea, Fossil  Ontario  Paleontology  Silurian  Sixteen Mile Creek (Niagara)  
  104. By: Spencer, J. W. (Joseph William),
    Publication info: S.l, s.n, 1882?
    Holding Institution: Canadiana.org
    Subjects: Geology  Ontario  Paleontology  
  105. By: Mitchell, Margaret H. (Margaret Howell), - Royal Ontario Museum of Zoology.
    Publication info: Toronto, University of Toronto Press, 1935
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Ontario  Passenger pigeon  
  106. By: John S. Pearce & Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: London, Ont, John S. Pearce & Co, 1896
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Flowers  Fruit  Nursery stock  Ontario  Seeds  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
  107. By: Traill, Catherine Parr Strickland, - Traill, Catherine Parr Strickland, - FitzGibbon, Mary Agnes,
    Publication info: Toronto, Wm. Briggs, 1895
    Holding Institution: Internet Archive
    Subjects: 1802-1899  Anecdotes  Natural history  Ontario  Traill, Catharine Parr,  
    BHL Collections: Women in Natural History
  108. By: Detweiler, J. D. (John D.)
    Publication info: Ottawa, J. de L. Taché, 1918
    Holding Institution: Canadiana.org
    Subjects: Freshwater mussels  Mussels  Ontario  
  109. By: Zavitz, C. A. (Charles Ambrose), - Lochhead, W. - Ontario Agricultural College.
    Publication info: Toronto, L.K. Cameron, 1903
    Holding Institution: Canadiana.org
    Subjects: Control  Insect pests  Ontario  Peas  Pea-weevil  
  110. By: Homewood Gardens (Orillia, Ont.) - Bacon, W. Percy. - Bacon, W. Eric. - 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: Bulbs (Plants)  Nurseries (Horticulture)  Nursery stock  Ontario  Orillia  Peonies  Prices  Varieties  
    BHL Collections: Seed & Nursery Catalogs
  111. By: Ontario. Ministry of the Environment.
    Publication info: [Ottawa, Ministry of the Environment], 1994
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Catalogs  Ontario  Pesticides  
  112. By: Ontario. Ministry of the Environment.
    Publication info: [Toronto], Ontario Ministry of the Environment,
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Ontario  Pesticides  
  113. By: Pearson, R. G. - Ontario. Air Resources Branch. Phytotoxicology Section.
    Publication info: [Toronto], Phytotoxicology Section, Air Resources Branch, 1990
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Ontario  Phytotoxins  Plant diseases  Soils  Trace element content  Windsor  
  114. By: Pearson, R. G.
    Publication info: [Toronto], Ontario Ministry of the Environment, 1988
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Air  Effect of air pollution on  Environmental aspects  Ontario  Pickering  Plants  Pollution  Sanitary landfills  
  115. By: Ontario. Phytotoxicology Section.
    Publication info: [Toronto], The Section, 1991
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Air  Corunna  Effect of heavy metals on  Ethyl Corporation  Maple  Measurement  Ontario  Pollution  Vegetation surveys  
  116. By: Gizyn, W. I. - Ontario. Ministry of the Environment. Phytotoxicology Section.
    Publication info: [Toronto], Standards Development Branch, Phytotoxicology Section, Ontario Ministry of Environment and Energy, 1994
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Environmental aspects  Ontario  Phytotoxins  Polycyclic aromatic hydrocarbons  Toxicity testing  UCAR Carbon Canada Incorporated  Welland  
  117. By: McIlveen, W. D. - Ontario. Phytotoxicology Section.
    Publication info: [Toronto], Phytotoxicology Section, Ontario Ministry of Environment and Energy, 1993
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Air  Elmira  Ontario  Pollution  Soil pollution  Vegetation surveys  
  118. By: Ontario. Ministry of Environment and Energy. - Emerson, R. N.
    Publication info: Toronto, Ministry of Environment and Energy, 1994
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Cornwall Island  Fluorides  Ontario  Phytotoxins  Toxicity testing  Toxicology  Vegetation surveys  
  119. By: Ball, Ian R. - Gourbault, N. (Nicole), - Kenk, Roman, - Royal Ontario Museum.
    Publication info: Toronto, Royal Ontario Museum, 1981
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Ontario  Platyhelminthes  Turbellaria  United States  
  120. By: Montgomery, F. H. (Frederick Howard),
    Holding Institution: Harvard University Botany Libraries
    Subjects: Ontario  Plants  Waterloo (Regional municipality)  
    BHL Collections: BHL Field Notes Project
  121. By: Hutt, H. L. - Ontario. Dept. of Agriculture.
    Publication info: Toronto, [s.n.], 1895
    Holding Institution: Canadiana.org
    Subjects: Apple  Ontario  
  122. By: Gibson, John - Macoun, John,
    Publication info: S.l, s.n, 1876?
    Holding Institution: Canadiana.org
    Subjects: Botany  Canada  Ontario  
  123. By: Clement, F. M. (Frederick Moore), - Ontario. Dept. of Agriculture.
    Publication info: Toronto, Dept. of Agriculture, 1914
    Holding Institution: Canadiana.org
    Subjects: Fruit-culture  Ontario  Plum  
  124. By: Concord Scientific Corporation - Beak Consultants. - Ontario. Hazardous Contaminants Branch.
    Publication info: [Toronto], Environment Ontario, 1992
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Degradation  Environmental aspects  Ontario  Polycyclic aromatic hydrocarbons  
  125. By: Lewis, David C. - Whitby, G. E. - Aquatic Sciences, Inc. - Ontario. Ministry of Environment and Energy. - Ontario. Ministry of Natural Resources.
    Publication info: [Toronto], Queen's Printer for Ontario, c1995
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Control  Environmental aspects  Ontario  Physiological effect  Research  Ultraviolet radiation  Zebra mussel  
  126. By: Wright, R. Ramsay (Robert Ramsay),
    Publication info: Toronto?, s.n, 1892?
    Holding Institution: Canadiana.org
    Subjects: Fisheries  Fishes  Ontario  
  127. By: Lochhead, W. - Ontario Agricultural College.
    Publication info: Toronto, Dept. of Agriculture, [1903]
    Holding Institution: Canadiana.org
    Subjects: Control  Diseases and pests  Fruit  Insect pests  Ontario  San José scale  
  128. By: Armstrong Nurseries (Ontario, Calif.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, Calif, Armstrong Nurseries, 1899
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Armstrong Nurseries (Ontario, Calif.)  California  Catalogs  Flowers  Fruit trees  Nurseries (Horticulture)  Nursery stock  Ontario  Prices  Trees  Varieties  
    BHL Collections: Seed & Nursery Catalogs
  129. By: Entomological Society of Ontario. - Entomological Society of Ontario.
    Publication info: Toronto.
    Holding Institution: University of Toronto - Robarts Library
    Subjects: Entomology  Insects  Insects, Injurious and beneficial  Ontario  Societies, etc  
  130. By: Entomological Society of Ontario. - Ontario. Department of Agriculture. - Ontario. Department of Agriculture and Food. - Entomological Society of Canada (1863-1871)
    Publication info: Guelph, Entomological Society of Ontario,
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Insects  Ontario  Periodicals  
  131. By: Entomological Society of Ontario. - Ontario. Dept. of Agriculture and Food
    Publication info: Guelph, Ont., etc, Entomological Society of Ontario,
    Holding Institution: Multiple institutions
    Subjects: Canada  Entomology  Insects  Ontario  Periodicals  
  132. By: University of Toronto. Natural Science Association.
    Publication info: Toronto, [The Association], 1893-
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: 1893  canimp  Natural history  Ontario  
  133. By: Ontario. Ministry of the Environment.
    Publication info: [Toronto], Ministère de l'environnement, 1980
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Acid rain  Ontario  
  134. By: Deloitte, Haskins & Sells. - Ontario. Ministry of the Environment.
    Publication info: [Toronto], Queen's Printer of Ontario, c1988
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Dichlorophenoxyacetic acid  Environmental aspects  Herbicides  Ontario  
  135. By: Ontario Agricultural College.
    Publication info: Guelph, Ont.?, s.n, 1909?
    Holding Institution: Canadiana.org
    Subjects: Fruit-culture  Ontario  Ontario Agricultural College  Seminars  
  136. By: Ontario. Dept. of Agriculture
    Publication info: Toronto, L.K. Cameron, printer, 1913
    Holding Institution: University of Toronto - Robarts Library
    Subjects: Agriculture  Economic conditions  Ontario  
  137. By: Downing, S. C. (Stuart Chalmers),
    Publication info: Toronto, Royal Ontario Museum of Zoology, 1948
    Holding Institution: Royal Ontario Museum
    Subjects: Mammals  Ontario  
  138. By: Ontario. Water Resources Branch.
    Publication info: [Toronto], Water Resources Branch, 1993
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Effluent quality  Environmental aspects  Environmental monitoring  Measurement  Metal castings industry  Ontario  Quality control  Waste disposal  
  139. By: Crossman, E. J. (Edwin John), - Quetico Foundation. - Royal Ontario Museum.
    Publication info: Toronto, Royal Ontario Museum, 1976
    Holding Institution: Royal Ontario Museum
    Subjects: Fishes  Ontario  Quetico Provincial Park  
  140. Publication info: Québec, J. Lovell, 1853
    Holding Institution: Canadiana.org
    Subjects: Description and travel  Fisheries  Magdalen Islands  Magdalen Islands (Québec)  Ontario  Québec (Province)  Superior, Lake  
  141. By: Choquette, C. P. - Labelle, A. (Antoine), - Labelle, A. (Antoine),
    Publication info: [S.l, s.n.], 1889
    Holding Institution: Canadiana.org
    Subjects: Agricultural experiment stations  Ontario  Research  United States  
  142. By: Fritz, Madeleine A. (Madeleine Alberta), - Royal Ontario Museum.
    Publication info: [Toronto], Royal Ontario Museum, 1973
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Ontario  Ordovician  Paleontology  Stigmatella  Toronto Region  
  143. By: Fritz, Madeleine A. (Madeleine Alberta), - Royal Ontario Museum.
    Publication info: [Toronto], Royal Ontario Museum, 1976
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Bryozoa, Fossil  Ontario  Ordovician  Paleontology  Toronto Region  
  144. By: Fritz, Madeleine A. (Madeleine Alberta), - Royal Ontario Museum.
    Publication info: Toronto, Royal Ontario Museum, 1977
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Bryozoa, Fossil  Credit River Valley  Ontario  Ordovician  Paleontology  Type specimens  
  145. By: Fritz, Madeleine A. (Madeleine Alberta), - Royal Ontario Museum.
    Publication info: Toronto, Royal Ontario Museum, 1982
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Bryozoa, Fossil  Ontario  Ordovician  Paleontology  Workman's Creek  
  146. By: Fritz, Madeleine A. (Madeleine Alberta), - Royal Ontario Museum.
    Publication info: Toronto, Royal Ontario Museum, 1975
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Credit River Valley  Ontario  Ordovician  Paleontology  
  147. By: Cox, C.
    Publication info: [Toronto], Environment Ontario, [1990]
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Contamination  Effect of water pollution on  Fish as food  Fishes  Ontario  Organic water pollutants  Toxicology  
  148. By: Canada. Crown Lands Department.
    Publication info: [Ottawa?, s.n.], 1867
    Holding Institution: Canadiana.org
    Subjects: Forests and forestry  Ontario  Surveying  
  149. By: Panton, J. Hoyes (James Hoyes), - Ontario. Dept. of Agriculture. - Ontario Agricultural College.
    Publication info: [Toronto?], Dept. of Agriculture, 1893
    Holding Institution: Canadiana.org
    Subjects: Control  Fungicides  Insect pests  Insecticides  Ontario  
  150. By: Wm. Rennie Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: [Toronto], Wm. Rennie Co, 1901
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Agricultural implements  Bee culture  Bulbs (Plants)  Catalogs  Equipment and supplies  Flowers  Gardening  Nursery stock  Ontario  Seeds  Toronto  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
  151. By: Wm. Rennie Co. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Toronto, Canada, Wm. Rennie Co, 1902
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bee culture  Bulbs (Plants)  Catalogs  Equipment and supplies  Flowers  Gardening  Nursery stock  Ontario  Seeds  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
  152. By: St. Lawrence Parks Commission (Ont.)
    Publication info: [Toronto], Dept. of Tourism and Information
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Historic sites  Ontario  Parks  Periodicals  Saint Lawrence River Valley  St. Lawrence Parks Commission (Ont.)  
  153. By: Fruit Growers' Association of Upper Canada.
    Publication info: [St. Catharines, Ont.?, s.n.], 1863
    Holding Institution: Canadiana.org
    Subjects: Fruit  Fruit-culture  Ontario  
  154. By: Ontario. Special Committee on Game Situation. - Black, W. D. (William David),
    Publication info: Toronto, Legislative Assembly of Ontario, 1933
    Holding Institution: University of Toronto - Robarts Library
    Subjects: Game and game-birds  Ontario  Wildlife management  
  155. By: Ontario. Commission of Enquiry Concerning the Operation of the San Jose Scale Act. - Mills, James, - Dearness, John, - Bunting, William H.
    Publication info: Toronto, The Commission, 1899
    Holding Institution: Archives of Ontario
    Subjects: Control  Diseases and pests  Fruit  Ontario  San José scale  
  156. By: Ontario. Agricultural Commission (1880)
    Publication info: [Toronto?, s.n.], 1881
    Holding Institution: Canadiana.org
    Subjects: Agriculture  Natural history  Ontario  
  157. By: Ontario. Agricultural Commission (1880)
    Publication info: [Toronto?, s.n.], 1881
    Holding Institution: Canadiana.org
    Subjects: Agriculture  Breeding  Horses  Meteorology  Ontario  
  158. By: Fruit Growers' Association of Ontario. - Entomological Society of Ontario.
    Publication info: [Toronto], The Association, 1870-1888
    Holding Institution: Multiple institutions
    Subjects: Fruit Growers' Association of Ontario  Fruit-culture  Ontario  Societies, etc  
  159. By: Ontario. Horticultural Experiment Station (Simcoe, Ont.), - Ontario. Department of Agriculture,
    Publication info: Toronto, A.T. Wilgress, 19uu-
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Horticulture  Ontario  
  160. By: Ontario. Milk Commission (1909)
    Publication info: Toronto, L. K. Cameron, [King's printer], 1910
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Dairying  Ontario  
  161. By: Ontario. Dept. of Lands and Forests.
    Publication info: Toronto, Published by Clarkson W. James, 1921-1972
    Holding Institution: Ontario Ministry of Natural Resources Library
    Subjects: Forests and forestry  Ontario  
  162. By: Ontario. Dept. of Lands, Forests and Mines.
    Publication info: Toronto, King's Printer, 1907-
    Holding Institution: Ontario Ministry of Natural Resources Library
    Subjects: Forests and forestry  Ontario  
  163. By: Ontario. Office of the Ombudsman. - Hill, Daniel G., - Ontario. Legislative Assembly.
    Publication info: [Toronto, The Ombudsman], 1988
    Holding Institution: University of Toronto - Robarts Library
    Subjects: Compensation (Law)  Compensation for Victims of Crime Act  Criminal Injuries Compensation Board  Fisheries  Licenses  Ombudspersons  Ontario  Reparation (Criminal justice)  Victims of crimes  
  164. By: Ontario. Dept. of Agriculture.
    Publication info: Toronto, Printed by L.K. Cameron, printer to the king's most excellent Majesty, 1907
    Holding Institution: University of California Libraries
    Subjects: Breeding  Horses  Ontario  
  165. By: Ontario. Dept. of Agriculture.
    Publication info: Toronto, Printed by L. K. Cameron, printer to the King's most excellent Majesty, 1907
    Holding Institution: Cornell University Library
    Subjects: Breeding  Horses  Ontario  
  166. By: Task Force On The Ontario Environmental Bill Of Rights. - Dicerni, Richard. - Cochrane, Michael G. - Ontario. Ministry of the Environment.
    Publication info: Toronto, Ont, Ontario Ministry of the Environment, 1992
    Holding Institution: University of Toronto - Robarts Library
    Subjects: Citizen participation  Environmental law  Environmental monitoring  Environmental protection  Law and legislation  Ontario  
  167. By: Michajluk, S. - Ontario. Ministry of the Environment. - Ontario. Municipal/Industrial Strategy for Abatement.
    Publication info: [Toronto], Ontario Environment, 1993
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Chemical industry  Environmental aspects  Environmental monitoring  Measurement  Ontario  Pollution  Water  
  168. By: Phipps, Ramsay Weston,
    Publication info: Toronto, Printed by C.B. Robinson, [1883]
    Holding Institution: Multiple institutions
    Subjects: Forest conservation  Forests and forestry  Ontario  Reforestation  
  169. By: Barnet, W. A. (Wifred Alexander), - Canada. Tobacco Division.
    Publication info: Ottawa, Dept. of Agriculture, 1909
    Holding Institution: Canadiana.org
    Subjects: Ontario  Tobacco  
  170. By: Ontario. Task Force on Off-Track Betting - Dick, A. R. - Ontario. Lieutenant-Governor, 1968-1974 (Macdonald)
    Publication info: Toronto, 1972]
    Holding Institution: University of Toronto - Robarts Library
    Subjects: Betting  Horse racing  Ontario  
  171. By: Nicholson, Henry Alleyne,
    Publication info: Toronto, Printed by Hunter, Rose, 1874
    Holding Institution: University of Toronto - Earth Sciences Library (Noranda)
    Subjects: Devonian  Ontario  Paleontology  
  172. By: Nicholson, Henry Alleyne,
    Publication info: Toronto, Printed by Hunter, Rose & co, 1874
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Devonian  Ontario  Paleontology  
  173. By: Nicholson, Henry Alleyne,
    Publication info: [Toronto?, s.n.], 1874
    Holding Institution: Canadiana.org
    Subjects: Ontario  Paleontology  
  174. By: Logier, E. B. S. (Eugene Bernard Shelley),
    Publication info: [Toronto], University of Toronto Press, 1939
    Holding Institution: Royal Ontario Museum
    Subjects: Ontario  Reptiles  Vertebrates  
  175. By: Barnet, W. A. (Wifred Alexander), - Canada. Tobacco Division.
    Publication info: Ottawa, Dept. of Agriculture, 1912
    Holding Institution: Canadiana.org
    Subjects: Experiments  Ontario  Tobacco  
  176. By: Ontario. Fish and Wildlife Branch.
    Publication info: [Toronto],
    Holding Institution: University of Toronto - Robarts Library
    Subjects: Fishery management  Ontario  Periodicals  Wildlife management  
  177. By: Saunders, William, - Canada. Department of Agriculture.
    Publication info: [Ottawa?, Départment de l'agriculture?], 1891
    Holding Institution: Canadiana.org
    Subjects: Agriculture  Barley  Canada  Experimentation  Field experiments  Grain  Ontario  
  178. By: Saunders, William, - Canada. Department of Agriculture.
    Publication info: [Ottawa?, Dept. of Agriculture?], 1891
    Holding Institution: Canadiana.org
    Subjects: Agriculture  Barley  Canada  Experimentation  Field experiments  Grain  Ontario  
  179. By: Old Baldy Nurseries. - Bealey, C. R. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, Calif, Old Baldy Nurseries, [1923]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Berries  California  Catalogs  Fruit trees  Nurseries (Horticulture)  Nursery stock  Ontario  Plants, Ornamental  Prices  Seedlings  Trees  
    BHL Collections: Seed & Nursery Catalogs
  180. By: Canada. Legislative Assembly. - Morin, A.N.
    Publication info: [Quebec], [John Lovell], 1853
    Holding Institution: Queen's University, W.D. Jordan Special Collections & Music Library
    Subjects: Canada  Forests and forestry  History  Licenses  Lumbering  Ontario  Ottawa River Valley  Ottawa River Valley (Québec and Ont.)  
  181. By: Ontario. Lead in Soil Committee. - Ontario. Ministry of the Environment. Lead in Soil Committee. - Ontario. Hazardous Contaminants Branch. - Ontario. Ministry of the Environment. Hazardous Contaminants Branch.
    Publication info: [Toronto], The Ministry, 1987
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Environmental aspects  Lead  Lead content  Ontario  Soil pollution  Soils  Toxicology  
  182. By: Farkas, Martha Judit, - Surgeoner, Gordon A.
    Publication info: [Ontario], Ministry of the Environment, 1990
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Aquatic ecology  Baculoviruses  Biological control  Insect pests  Microbiology  Ontario  Water  
  183. By: Ontario. Ministry of Health.
    Publication info: Concord, Ont, Ministry of Health, 1995
    Holding Institution: University of Toronto - Robarts Library
    Subjects: Environmental monitoring  Environmental policy  Ontario  
  184. By: Armstrong Nurseries (Ontario, Calif.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, California, Armstrong Nurseries, 1932
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: California  Nurseries (Horticulture)  Nursery stock  Ontario  Prices  Roses  Varieties  Wholesale trade  
    BHL Collections: Seed & Nursery Catalogs
  185. By: Caesar, Lawson, - Ontario. Dept. of Agriculture.
    Publication info: Toronto, Dept. of Agriculture, [1914]
    Holding Institution: Canadiana.org
    Subjects: Control  Diseases and pests  Fruit  Insect pests  Ontario  San José scale  
  186. By: Weeks Wholesale Rose Growers, - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, California, Weeks Wholesale Rose Growers, [1953]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: California  Catalogs  Nursery stock  Ontario  Roses  Varieties  
    BHL Collections: Seed & Nursery Catalogs
  187. By: Weeks Wholesale Rose Growers, - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, California, Weeks Wholesale Rose Growers, 1957
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: California  Catalogs  Nursery stock  Ontario  Roses  Varieties  
    BHL Collections: Seed & Nursery Catalogs
  188. By: Darch & Hunter Seed Co., Limited. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: London, Ont, Lou S. Darling Seed Co, 1917
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Agricultural implements  Catalogs  Flowers  Fruit trees  London  Nurseries (Horticulture)  Nursery stock  Ontario  Plants, Ornamental  Seeds  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
  189. By: Elora Natural History Society.
    Publication info: Elora, J. Townsend, 1875
    Holding Institution: Queen's University, W.D. Jordan Special Collections & Music Library
    Subjects: Clubs  Elora  Elora (Ont.)  Natural history  Ontario  Societies, etc  
  190. By: Ontario Farmers' Institutes. Fruit Institute. - Ontario. Fruit Growers' Association.
    Publication info: [s.l.], [s.n.], 1909
    Holding Institution: Queen's University, W.D. Jordan Special Collections & Music Library
    Subjects: Culture  Fruit  Ontario  
  191. By: Soper, James H. - Heimburger, Margaret L. - Royal Ontario Museum.
    Publication info: Toronto, Royal Ontario Museum, c1982
    Holding Institution: Royal Ontario Museum
    Subjects: Identification  Ontario  Shrubs  
  192. By: J.A. Simmers (Firm) - Simmers, J. A. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Toronto, Ont, [J.A. Simmers], 1902
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bulbs (Plants)  Catalogs  Equipment and supplies  Flowers  Gardening  Nursery stock  Ontario  Seeds  Toronto  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
  193. 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  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
  194. By: Negusanti, J.J. - Potvin, R. R. - Ontario. Ministry of the Environment. Northeastern Region. Technical Assessment Section.
    Publication info: Toronto, Ministry of the Environment, Northeastern Region, Technical Assessment Section, 1992
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Air quality  Ontario  Uranium mines and mining  Vegetation surveys  
  195. By: Harrison, F. C. (Francis Charles), - Barlow, B. - Ontario Agricultural College.
    Publication info: Toronto, Ontario Agricultural College, [1904]
    Holding Institution: Canadiana.org
    Subjects: Bacterial diseases of plants  Diseases and pests  Fruit  Ontario  Vegetables  
  196. By: Harrison, F. C. (Francis Charles), - Ontario. Dept. of Agriculture.
    Publication info: S.l, s.n, 18--?
    Holding Institution: Canadiana.org
    Subjects: Ontario  Weeds  
  197. By: Harrison, F. C. (Francis Charles), - Lochhead, W. - Ontario Agricultural College.
    Edition: 3rd ed., rev.
    Publication info: Toronto, Ontario Agricultural College, [1906]
    Holding Institution: Canadiana.org
    Subjects: Control  Ontario  Weeds  
  198. By: Radforth, Isobel - Royal Ontario Museum of Zoology.
    Publication info: [Toronto], Printed by the University of Toronto Press, 1944
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Fishes  Geographical distribution  Ontario  
  199. By: Jack's Rainbow Gladiolus Gardens. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Toronto, Ontario, Canada, Jack's Rainbow Gladiolus Gardens, [1929],
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Gladiolus  Nurseries (Horticulture)  Nursery stock  Ontario  Prices  Roots  Toronto  
    BHL Collections: Seed & Nursery Catalogs
  200. By: Grainger Bros. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Toronto, Ont, Graham Brothers, 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
  201. By: Ontario Nurseries. - Horsley, Jno. F. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, C.A, Ontario Nurseries, 1893
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: California  Catalogs  Flowers  Fruit  Nurseries (Horticulture)  Ontario  Plants, Ornamental  Seedlings  Seeds  
    BHL Collections: Seed & Nursery Catalogs
  202. By: Kramer Bros. Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, California, Kramer Bros. Nurseries, [1952]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: California  Catalogs  Chrysanthemums  Nursery stock  Ontario  Varieties  
    BHL Collections: Seed & Nursery Catalogs
  203. By: Watson, B. A. (Beriah André), - Beard, Daniel Carter, - Beard, Harry,
    Publication info: Philadelphia, J.B. Lippincott company, 1888
    Holding Institution: Library of Congress
    Subjects: Description and travel  Hunting  Ontario  
  204. By: Watson, B. A. (Beriah André),
    Publication info: Philadelphia J.B. Lippincott 1888
    Holding Institution: Canadiana.org
    Subjects: Description and travel  Fishing  Hunting  Ontario  
  205. By: Lochhead, W. - Ontario Agricultural College.
    Publication info: Toronto, Dept. of Agriculture, 1902
    Holding Institution: Canadiana.org
    Subjects: Control  Insect pests  Ontario  Plant diseases  Spraying and dusting in agriculture  
  206. By: Panton, J. Hoyes (James Hoyes), - Ontario. Dept. of Agriculture.
    Publication info: Toronto?, Ontario Dept. of Agriculture, 1895?
    Holding Institution: Canadiana.org
    Subjects: Agricultural pests  Control  Ontario  Spraying and dusting in agriculture  
  207. By: Ontario. Legislative Assembly.
    Publication info: Toronto?, s.n, 1892?
    Holding Institution: Canadiana.org
    Subjects: Agricultural chemicals  Bees  Law and legislation  Ontario  Spraying and dusting in agriculture  
  208. 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: Catalogs  Flowers  Nursery stock  Ontario  Seeds  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
  209. By: Kenneth McDonald & Sons, Limited. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ottawa [Ontario], Canada, Kenneth McDonald & Sons, Limited, [1934?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bulbs (Plants)  Nursery stock  Ontario  Ottawa  Plants, Ornamental  Prices  
    BHL Collections: Seed & Nursery Catalogs
  210. By: Union Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Fonthill, Ont, Union Nurseries, [1930?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bedding plants  Berries  Catalogs  Fruit trees  Nurseries (Horticulture)  Nursery stock  Ontario  Plants, Ornamental  
    BHL Collections: Seed & Nursery Catalogs
  211. By: Strathore Farms - Thornlodge Farms - Wayne Caldwell Neely Collection Of Shorthorn Cattle Catalogs.
    Publication info: Peterborough, Ont, Strathore Farms, March 2, 1957
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Ontario  Peterborough  Shorthorn cattle  
    BHL Collections: Seed & Nursery Catalogs
  212. By: Ontario Fruit Growers' Association.
    Publication info: Ontario?, s.n, 1911?
    Holding Institution: Canadiana.org
    Subjects: Competitions  Fruit  Judging  Ontario  
  213. By: Matlin'S Nursery, - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, California, Matlin's Nursery, 1959
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: California  Catalogs  Nursery stock  Ontario  Roses  Varieties  
    BHL Collections: Seed & Nursery Catalogs
  214. By: Michalski, M. F. P. - Robinson, G. W. - Ontario Water Resources Commission.
    Publication info: [Toronto], Ontario Water Resources Commission, Biology Branch, 1970
    Holding Institution: University of Toronto - Robarts Library
    Subjects: Algae  Ontario  Pollution  Riley Lake  Riley Lake, Ont  Water  
  215. By: Dyer, William Spafford, - University of Toronto.
    Publication info: [Toronto, The United Press], [192-?]
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Credit River  Ontario  Ordovician  Paleontology  Paleontology, Stratigraphic  
  216. Publication info: [Toronto], The Ministry, 1992
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Economic aspects  Environmental monitoring  Environmental protection  Ontario  
  217. By: Ontario Fish and Game Protective Association.
    Publication info: Toronto, A.K. Evans, [ca. 1910]
    Holding Institution: Canadiana.org
    Subjects: Conservation  Fishes  Game protection  Ontario  
  218. By: Brittain, W. H. (William Harold), - Nova Scotia Agricultural College.
    Publication info: Truro, N.S, [s.n.], 1917
    Holding Institution: Canadiana.org
    Subjects: Apples  Diseases and pests  Fruit  Nova Scotia  Ontario  Pear  
  219. By: Digges, D. D. - Dominion Experimental Farms and Stations (Canada)
    Publication info: Ottawa, Dept. of Agriculture, [1919?]
    Holding Institution: Canadiana.org
    Subjects: Harrow  Ontario  Tobacco  
  220. By: Baillie, James Little, - Hope, Clifford E. - Royal Ontario Museum of Zoology.
    Publication info: [Toronto], Printed by University of Toronto Press, 1947
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Birds  Ontario  Sudbury Region  
  221. By: Muldrew, William Hawthorne,
    Publication info: Toronto, W. Briggs, 1901
    Holding Institution: Canadiana.org
    Subjects: Ontario  Shrubs  Trees  
  222. By: Muldrew, W. H. (William Hawthorne),
    Publication info: Toronto, W. Briggs, 1901
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: 1901  canimp  Flora  Ontario  Trees  
  223. By: Macallum, A. (Archibald),
    Publication info: Toronto, Printed for the author by John Donogh, Guardian Steam Printing Est, 1857
    Holding Institution: Queen's University, W.D. Jordan Special Collections & Music Library
    Subjects: Education  Natural history  Ontario  Textbooks  
  224. Publication info: S.l, s.n, 1877?
    Holding Institution: Canadiana.org
    Subjects: Botany  Great Lakes (North America)  Ontario  St. Lawrence Valley  
  225. By: Homewood Gardens (Orillia, Ont.) - 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: Irises (Plants)  Nurseries (Horticulture)  Nursery stock  Ontario  Orillia  Prices  Varieties  
    BHL Collections: Seed & Nursery Catalogs
  226. By: Peterson, Randolph L. - Royal Ontario Museum.
    Publication info: Toronto, Royal Ontario Museum, 1954
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: European hare  Ontario  
  227. By: Eckert, James D., - Brett, Carlton E. (Carlton Elliot) - Royal Ontario Museum.
    Publication info: Toronto, Royal Ontario Museum, 1985
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Crinoidea, Fossil  Lincoln (County)  New York (State)  Niagara County  Ontario  Paleontology  Silurian  
  228. By: Davis, Albert Bartlett,
    Publication info: [Washington, D.C.] Foreign Agricultural Service, U.S. Dept. of Agriculture 1968
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Ontario  Tobacco
  229. By: Foerste, Aug. F. (August Frederic),
    Publication info: 1887-1933
    Holding Institution: Smithsonian Institution Archives
    Subjects: Canada  Field notes  Geology  Maps  Ontario  
    BHL Collections: BHL Field Notes Project | Smithsonian Field Books collection
  230. By: Bouchette, Joseph, - Bennett, W. J. (William James),
    Publication info: London, Printed for the author and published by W. Faden, 1815
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: Description and travel  Land grants  Ontario  Québec (Province)  
  231. By: Armstrong Nurseries (Ontario, Calif.) - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Ontario, Calif, Armstrong Nurseries, 1913
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Armstrong Nurseries (Ontario, Calif.)  California  Catalogs  Flowers  Nurseries (Horticulture)  Nursery stock  Ontario  Prices  Roses  Varieties  
    BHL Collections: Seed & Nursery Catalogs
  232. By: Ottawa Field-Naturalists' Club
    Publication info: Ottawa Ottawa Field-Naturalists' Club 1967-
    Holding Institution: Multiple institutions
    Subjects: Conservation of natural resources  Natural history  Nature conservation  Ontario  Ottawa  Ottawa Field-Naturalists' Club  Ottawa River Valley (Québec and Ont.)  Periodicals  
  233. By: Gillett, John M. (John Montague), - Cody, William J.
    Publication info: Ottawa, Ont. Canada, Ottawa Field-Naturalists' Club, ©1980
    Holding Institution: Field Museum of Natural History Library
    Subjects: Canada  Indexes  Natural history  Ontario  Ottawa  Ottawa Field-Naturalists' Club  Ottawa naturalist  Transactions  
  234. By: Buckley, A. R. (Arthur R.) - Canada. Agriculture Canada. Research Branch
    Publication info: [Ottawa], Agriculture Canada, 1980
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
    Subjects: Arbres  Arbustes  Canada  Catalogs  Catalogs and collections  Dominion Arboretum and Botanic Garden  Dominion Arboretum and Botanic Garden of Canada (O  Ontario  Ottawa  Shrubs  Trees  
  235. By: Canada. Commission of Conservation. Committee on Forests. - Fernow, B. E. (Bernhard Eduard), - Howe, Clifton D. (Clifton Durant), - White, James Herbert.
    Publication info: Toronto, Printed by the Bryant press, 1913
    Holding Institution: Cornell University Library
    Subjects: Forests and forestry  Ontario  
  236. By: Howe, Clifton D. (Clifton Durant), - Fernow, B. E. (Bernhard Eduard), - White, J. H. (James Herbert), - Canada. Commission of Conservation. - Canada. Commission of Conservation. Committee on Forests.
    Publication info: [Ottawa], Commission of Conservation, 1913
    Holding Institution: Canadiana.org
    Subjects: Forests and forestry  Natural resources  Ontario  
  237. By: Canada. Commission of Conservation. Committee on Forests. - Fernow, B. E. (Bernhard Eduard), - Howe, Clifton D. (Clifton Durant), - White, James,
    Publication info: Toronto, Bryant Press, 1913
    Holding Institution: University of Toronto - Thomas Fisher Rare Book Library
    Subjects: 1913  canimp  Forests and forestry  Ontario  
  238. By: Fletcher, James
    Publication info: Toronto?, Warwick?, 1889?
    Holding Institution: Canadiana.org
    Subjects: Butterflies  Description  Nipigon (Ont.)  Ontario  
  239. By: Kurata, T. B. (Takatsuna B.) - Royal Ontario Museum of Zoology.
    Publication info: Toronto, University of Toronto Press, 1944
    Holding Institution: Royal Ontario Museum
    Subjects: Ontario  Spiders  
  240. By: Rudkin, David M., - Tripp, Ronald P. (Ronald Pearson), - Royal Ontario Museum.
    Publication info: Toronto, Royal Ontario Museum, 1988
    Holding Institution: Royal Ontario Museum
    Subjects: New York (State)  Ontario  Ordovician  Paleontology  Trilobites  
  241. By: University of Toronto.
    Publication info: S.l, s.n, 1873?
    Holding Institution: Canadiana.org
    Subjects: Examinations  Natural history  Ontario  Philosophy  Toronto  University of Toronto  
  242. By: Cameron, G. S. - Royal Ontario Museum of Zoology.
    Publication info: [Toronto, Royal Ontario Museum of Zoology], 1948
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Little Vermilion Lake  Muskellunge  Ontario  
  243. By: Spicer, K. W. - Catling, Paul M. - Canada. Agriculture Canada. Research Branch
    Publication info: Ottawa, Agriculture Canada, Research Branch, 1990
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
    Subjects: Aquatic weeds  Ontario  Rideau Canal  Rideau Canal (Ont.)  
  244. By: Nash, Charles W. (Charles William), - Toronto (Ont.) Board of Education.
    Publication info: Toronto, Print. by order of the Legislative Assembly of Ontario by L.K. Cameron, 1908
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Classification  Ontario  Vertebrates  
  245. By: Nash, Charles W. (Charles William), - Ontario. Dept. of Education.
    Publication info: Toronto, L.K. Cameron, 1908
    Holding Institution: Canadiana.org
    Subjects: Birds  Fishes  Ontario  Vertebrates  
  246. By: Ontario. Dept. of Education - Nash, Charles W. (Charles William),
    Publication info: Toronto, L. K. Cameron, 1908
    Holding Institution: University of California Libraries
    Subjects: Ontario  Vertebrates  
  247. Publication info: S.l, s.n, 1893?
    Holding Institution: Canadiana.org
    Subjects: Agriculture  Farmers  Free trade and protection  Leeds (County)  New York (State)  Ontario  Protection  Tariff  
  248. By: Shaw, Thomas, - Zavitz, C. A. (Charles Ambrose), - Ontario. Dept. of Agriculture. - Ontario.
    Publication info: [Toronto?], Dept. of Agriculture, 1892
    Holding Institution: Canadiana.org
    Subjects: Law and legislation  Ontario  Weed control  Weeds  
  249. By: Panton, J. Hoyes (James Hoyes), - Ontario Agricultural College. - Ontario. Dept. of Agriculture.
    Publication info: [Toronto?], Dept. of Agriculture, 1893
    Holding Institution: Canadiana.org
    Subjects: Agriculture  Ontario  Weeds  
  250. By: Howitt, J. E. (John Eaton), - Harrison, F. C. (Francis Charles), - Lochhead, W. - Ontario Agricultural College.
    Edition: Rev. ed.
    Publication info: [Toronto, Dept. of Agriculture], 1916
    Holding Institution: Canadiana.org
    Subjects: Control  Ontario  Weeds  
< Prev   1 2 3    Next >
  1. By: De Tonnancour, Pierre - Anderson, Robert S. (Robert Samuel), - Bouchard, Patrice - Chantal, Claude - Dumont, Stéphane - Vigneault, Robert
    Type: Article
    In: ZooKeys
    Volume: 681
    Date: 2017
    Page Range: 95-117
    Publication Info: Pensoft Publishers 2017
    Subjects: Anthribidae  Brentidae  Canada  Curculionidae  Curculionoidea  new records  Ontario  Québec  weevils
  2. By: Brunke, Adam J. - Klimaszewski, Jan - Dorval, Julie-Ann - Bourdon, Caroline - Paiero, Steven - Marshall, Stephen A
    Type: Article
    In: ZooKeys
    Volume: 186
    Date: 2012
    Page Range: 119-206
    Publication Info: Pensoft Publishers 2012
    Subjects: Aleocharinae  Biodiversity  Canada  distributional records  Ontario  taxonomy
  3. By: Whittington, H. B. (Harry Blackmore),
    Type: Article
    In: Breviora
    Volume: 4
    Issue: 4
    Date: 1952
    Page Range: 1-9
    Publication Info: Cambridge, Mass Museum of Comparative Zoology, Harvard University [1952-
    Subjects: Ontario  Paleontology  Trilobites