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  1. By: Jardine, William, - Selby, Prideaux John, - Lear, Edward, - Stewart, James,
    Publication info: Dumfries, N.B. :Privately printed at the expense of the author,[1840?]
    Holding Institution: Smithsonian Libraries
    Subjects: Ducks  Pictorial works  
  2. By: Dureau de La Malle, (Adolphe Jules César Auguste), M.
    Publication info: Paris ,1847
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Birdsongs  Ducks  European cuckoo  France  Hirundo  Motacilla  Oriolus  Strix  Tetrao  Turdus  
  3. By: Stoddard, H. H.
    Publication info: Hartford, Conn.,1885.
    Holding Institution: Library of Congress
    Subjects: Ducks  Geese  Swans  
  4. By: Cory, Charles B. (Charles Barney),
    Publication info: [Boston? :s.n.],1897
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Birds  Ducks  Geese  North America  Swans  
  5. By: Cory, Charles B. (Charles Barney),
    Publication info: Boston,For sale by Little, Brown & Co.,[1897]
    Holding Institution: Cornell University Library
    Subjects: Birds  Ducks  Geese  North America  Swans  
  6. By: Howard, George E. (George Ellsworth)
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1897.
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Ducks  Geese
  7. By: Yorke, Frederick Henry.
    Publication info: Chicago,The American field publishing co.,1899.
    Holding Institution: Smithsonian Libraries
    Subjects: Ducks  
  8. By: Reliable Poultry Journal Publishing Company.
    Publication info: Quincy, Ill.,The Reliable Poultry Journal Publishing Co.,1900.
    Holding Institution: Library of Congress
    Subjects: Ducks  Geese  
  9. By: Grinnell, George Bird,
    Publication info: New York,Forest and stream pub. co.[1901]
    Holding Institution: Smithsonian Libraries
    Subjects: Duck shooting  Ducks  
  10. By: Millais, John Guille, - Thorburn, Archibald,
    Publication info: London ;Longmans, Green and Co. ...,1902.
    Holding Institution: Smithsonian Libraries
    Subjects: Ducks  Great Britain  Pictorial works  
  11. By: Shaw, L. H. De Visme. - Pope, W. H. - Shand, Alexander Innes,
    Publication info: London,Longmans, Green, and co.,1905.
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Ducks  Geese  Hunting
  12. By: Cooke, Wells W. (Wells Woodbridge), - United States. Office of Experiment Stations.
    Publication info: Washington,Govt. Print. Off.,1906.
    Holding Institution: Multiple institutions
    Subjects: Ducks  Geese  North America  Swans
  13. By: American Pekin Duck Company, Boston.
    Publication info: Boston, Mass.,American Pekin duck company,1907.
    Holding Institution: Library of Congress
    Subjects: Ducks  
  14. By: Baker, E. C. Stuart (Edward Charles Stuart), - Lodge, George Edward, - Grnvold, Henrik, - Keulemans, J. G. (John Gerrard), - Green, J., - Bombay Natural History Society.
    Publication info: [Bombay] :Published by the Bombay Natural History Society ;1908.
    Holding Institution: Smithsonian Libraries
    Subjects: Ducks  Game and game-birds  India  Pictorial works  
  15. By: Nourse, H. A. (Harold Alvah),
    Publication info: St. Paul, Minn. :Webb Pub. Co.,1909.
    Holding Institution: Library of Congress
    Subjects: Ducks  Geese  Turkeys  
  16. By: Yoder, Levi D.,
    Publication info: Dublin, Pa. :L. D. Yoder,c1910.
    Holding Institution: Library of Congress
    Subjects: Ducks  
  17. By: Valentine, Carolyn Syron,
    Edition: 2d ed.
    Publication info: Ridgewood, N.J.,F. H. Valentine,1911.
    Holding Institution: Library of Congress
    Subjects: Ducks  
  18. By: Goodale, Hubert Dana,
    Publication info: Baltimore?1911
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Ducks  Hybridization  
  19. By: Valentine, Carolyn Syron,
    Publication info: Ridgewood, N.J.,F. H. Valentine,1911.
    Holding Institution: Library of Congress
    Subjects: Ducks  
  20. By: Rice, Elmer C. (Elmer Cook), - Atkinson, Wilmer, co., Philadelphia,
    Publication info: Philadelphia,Wilmer Atkinson co.[c1911]
    Holding Institution: Library of Congress
    Subjects: Ducks  
  21. By: Rice, Elmer C. (Elmer Cook), - Atkinson, Wilmer co., Philadelphia,
    Publication info: Philadelphia,Wilmer Atkinson co.[c1911]
    Holding Institution: Cornell University Library
    Subjects: Ducks  
  22. By: Teasley, Ora Howard, "Teasley, D. O., Mrs.,"
    Publication info: Middletown, Ind.,Monarch publishing company[c1912]
    Holding Institution: Library of Congress
    Subjects: Ducks  
  23. By: Millais, John Guille, - Thorburn, Archibald, - Murray Dixon, O., - Grönwold, H., - Frisch, Albert,
    Publication info: London ;Longmans, Green and Co.,1913.
    Holding Institution: Smithsonian Libraries
    Subjects: Birds  Ducks  Great Britain  Pictorial works  
  24. By: Mickle, G. R. - Thomson, Robert Boyd.
    Publication info: Toronto,L.K. Cameron, Printer to the King's most excellent Majesty,1913.
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Ducks  Feeding and feeds  
  25. By: Wetmore, Alexander,
    Publication info: 1914
    Holding Institution: Smithsonian Institution Archives
    Subjects: California  Colorado  Ducks  Field notes  Great Salt Lake  Kansas  Ornithology  San Joaquin Valley  United States  United States Dept. of Agriculture  Utah  
    BHL Collections: Smithsonian Field Books collection
  26. By: Wetmore, Alexander,
    Publication info: 1914
    Holding Institution: Smithsonian Institution Archives
    Subjects: California  Correspondence  Ducks  Entomology  Field notes  Lepidoptera  Ornithology  Receipts (financial records)  Salt Lake Valley  San Joaquin Valley  United States  Utah  
    BHL Collections: Smithsonian Field Books collection
  27. By: Rankin, James.
    Edition: 6th ed., rev. and enl.
    Publication info: Springfield, O.,The A.D. Hosterman Co.,1914.
    Holding Institution: Library of Congress
    Subjects: Ducks  
  28. By: Rankin, James.
    Edition: 6th ed., rev. and enl.
    Publication info: Springfield, O.,The A. D. Hosterman co.,c1914.
    Holding Institution: Cornell University Library
    Subjects: Ducks  
  29. By: McAtee, W. L. (Waldo Lee)
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1914.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Ducks  Feeding and feeds
  30. By: Wetmore, Alexander,
    Publication info: 1914-1915
    Holding Institution: Smithsonian Institution Archives
    Subjects: Bear River  Corrine  Ducks  Field notes  Montana  Ornithology  United States  United States Dept. of Agriculture  Utah  
    BHL Collections: Smithsonian Field Books collection
  31. By: Wetmore, Alexander,
    Publication info: 1914-1915
    Holding Institution: Smithsonian Institution Archives
    Subjects:  Great Salt Lake  Correspondence  Ducks  Field notes  Lake Bowdoin  Montana  Ornithology  Receipts (financial records)  United States  United States Dept. of Agriculture  Utah  
    BHL Collections: Smithsonian Field Books collection
  32. By: McAtee, W. L. (Waldo Lee)
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1915.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Ducks  Feeding and feeds
  33. By: Wetmore, Alexander,
    Publication info: 1916
    Holding Institution: Smithsonian Institution Archives
    Subjects: Account book  Ducks  Field notes  Ornithology  Receipts (financial records)  United States  United States Dept. of Agriculture  Utah  
    BHL Collections: Smithsonian Field Books collection
  34. By: Wetmore, Alexander,
    Publication info: 1916
    Holding Institution: Smithsonian Institution Archives
    Subjects: Ducks  Field notes  Kansas  Lawrence  Ornithology  United States  United States Dept. of Agriculture  Utah  
    BHL Collections: Smithsonian Field Books collection
  35. By: Wetmore, Alexander,
    Publication info: 1916-1950
    Holding Institution: Smithsonian Institution Archives
    Subjects: Correspondence  Corrine  Ducks  Field notes  Ornithology  Receipts (financial records)  United States  United States Dept. of Agriculture  Utah  
    BHL Collections: Smithsonian Field Books collection
  36. By: McAtee, W. L. (Waldo Lee)
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1917.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Ducks  Feeding and feeds
  37. By: Wetmore, Alexander,
    Publication info: 1917-1918
    Holding Institution: Smithsonian Institution Archives
    Subjects: Arkansas  California  De Witt  Ducks  Field notes  New Mexico  Ornithology  Rice  Texas  United States  United States Dept. of Agriculture  Washington  
    BHL Collections: Smithsonian Field Books collection
  38. By: Wetmore, Alexander,
    Publication info: 1917-1918
    Holding Institution: Smithsonian Institution Archives
    Subjects: Arkansas  Black-and-white photographs  Blackbirds  Colorado  Correspondence  Crop losses  De Witt  Ducks  Field notes  Matagorda  Ornithology  Reports  Rice  Stuttgart  Texas  United States  United States Dept. of Agriculture  Wharton  
    BHL Collections: Smithsonian Field Books collection
  39. By: McAtee, W. L. (Waldo Lee)
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1918.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Ducks  Feeding and feeds  Mallard
  40. By: Wetmore, Alexander,
    Publication info: 1918
    Holding Institution: Smithsonian Institution Archives
    Subjects: Arizona  California  Chusca Mountains  Clippings (information artifacts)  Correspondence  Crop losses  Ducks  Field notes  New Mexico  Ornithology  Reports  Rice  Sacramento Valley  San Francisco  Texas  United States  United States Dept. of Agriculture  Washington  
    BHL Collections: Smithsonian Field Books collection
  41. By: Wetmore, Alexander,
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1918.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Diseases  Ducks  Utah
  42. By: Wetmore, Alexander,
    Publication info: 1918-1919
    Holding Institution: Smithsonian Institution Archives
    Subjects: Arkansas  Blackbirds  California  Clippings (information artifacts)  Correspondence  Crop losses  De Witt  Ducks  Field notes  Kansas  Ornithology  Reports  Rice  United States  United States Dept. of Agriculture  Washington  
    BHL Collections: Smithsonian Field Books collection
  43. By: Mabbott, Douglas Clifford,
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1920.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Ducks  Feeding and feeds
  44. By: Wetmore, Alexander,
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1921.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Ducks  Feeding and feeds  Utah  Waterfowl
  45. By: Phillips, John C. - Benson, Frank Weston, - Brooks, Allan, - Fuertes, Louis Agassiz, - Grönvold, Henrik,
    Publication info: Boston ;Houghton Mifflin Company ;1922-1926.
    Holding Institution: Multiple institutions
    Subjects: Ducks  Pictorial works  
    BHL Collections: Latino Natural History
  46. By: Lamon, Harry M. - Slocum, Rob R. (Rob Roy),
    Publication info: New York :Orange Judd Publishing Company,1922.
    Holding Institution: Cornell University Library
    Subjects: Ducks  Geese  
  47. By: Bent, Arthur Cleveland,
    Publication info: Washington :G.P.O.,1923.
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.84.1A(7)  Anatidae  Birds  Ducks  Geese  North America  Swans  
  48. By: Nelson, Edward William,
    Publication info: 1925
    Holding Institution: Smithsonian Institution Archives
    Subjects: California  Ducks  Field notes  Ornithology  United States  
    BHL Collections: Smithsonian Field Books collection
  49. By: Terrell, Clyde B. - Terrell's Aquatic Farm - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Oshkosh, Wis. :Terrell's Aquatic Farm,[1925]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Ducks  Feeding and feeds  Waterfowl  
    BHL Collections: Seed & Nursery Catalogs
  50. By: Terrell's Aquatic Farm. - Terrell, Clyde B. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Oshkosh, Wisconsin :Terrell's Aquatic Farm,[1927]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Ducks  Feeding and feeds  Nurseries (Horticulture)  Nursery stock  Oshkosh  Plants, Ornamental  Water birds  Wisconsin  
    BHL Collections: Seed & Nursery Catalogs
  51. By: Terrell's Aquatic Farm. - Terrell, Clyde B. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Oshkosh, Wisconsin :Terrell's Aquatic Farm,1928.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Aquatic plants  Ducks  Feeding and feeds  Food  Nursery stock  Oshkosh  Prices  Waterfowl  Wisconsin  
    BHL Collections: Seed & Nursery Catalogs
  52. By: Terrell's Aquatic Farm. - Terrell, Clyde B. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Oshkosh, Wis., U.S.A. :Terrell's Aquatic Farm,[1928?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Ducks  Feeding and feeds  Nursery stock  Oshkosh  Prices  Water birds  Wisconsin  
    BHL Collections: Seed & Nursery Catalogs
  53. By: Terrell's Aquatic Farm. - Terrell, Clyde B. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Oshkosh, Wis., U.S.A. :Terrell's Aquatic Farm,[1928]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Aquatic plants  Catalogs  Celery  Ducks  Feeding and feeds  Food  Nurseries (Horticulture)  Nursery stock  Oshkosh  Terrell's Aquatic Farm  Waterfowl  Wild rice  Wildlife attracting  Wisconsin  
    BHL Collections: Seed & Nursery Catalogs
  54. By: Terrell, Clyde B., - Terrell's Aquatic Farm. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Oshkosh, Wis., U.S.A. :Terrell's Aquatic Farm,[1928]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Ducks  Feeding and feeds  Prices  
    BHL Collections: Seed & Nursery Catalogs
  55. By: Terrell's Aquatic Farm. - Terrell, Clyde B. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Oshkosh, Wisconsin, U.S.A. :Terrell's Aquatic Farms and Nurseries,1929.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Aquatic plants  Catalogs  Chara  Ducks  Feeding and feeds  Food  Nursery stock  Oshkosh  Waterfowl  Wild rice  Wildlife attracting  Wisconsin  
    BHL Collections: Seed & Nursery Catalogs
  56. By: Terrell's Aquatic Farm. - Terrell, Clyde B. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Oshkosh, Wisconsin, U.S.A. :Terrell's Aquatic Farms and Nurseries ,[1929?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Ducks  Feeding and feeds  Nurseries (Horticulture)  Nursery stock  Oshkosh  Plants, Ornamental  Water birds  Wisconsin  
    BHL Collections: Seed & Nursery Catalogs
  57. By: Terrell, Clyde B. - Terrell's Aquatic Farm. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Oshkosh, Wisconsin, U.S.A. :Terrell's Aquatic Farm ,[1929?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Ducks  Feeding and feeds  Fishes  Nurseries (Horticulture)  Nursery stock  Oshkosh  Water birds  Wisconsin  
    BHL Collections: Seed & Nursery Catalogs
  58. By: Terrell's Aquatic Farm. - Terrell, Clyde B. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Oshkosh, Wisconsin, U.S.A. :Terrell's Aquatic Farms and Nurseries ,1929.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Ducks  Feeding and feeds  Nurseries (Horticulture)  Nursery stock  Oshkosh  Plants, Ornamental  Prices  Water birds  Wisconsin  
    BHL Collections: Seed & Nursery Catalogs
  59. By: Terrell, Clyde B. - Terrell's Aquatic Farm. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Oshkosh, Wisconsin, U.S.A. :Terrell's Aquatic Farms & Nurseries,1930.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Ducks  Feeding and feeds  Fishes  Nurseries (Horticulture)  Nursery stock  Oshkosh  Prices  Water birds  Wisconsin  
    BHL Collections: Seed & Nursery Catalogs
  60. By: Terrell, Clyde B. - Terrell's Aquatic Farm. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Oshkosh, Wisconsin, U.S.A. :Terrell's Aquatic Farms & Nurseries,1930.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Ducks  Feeding and feeds  Nurseries (Horticulture)  Nursery stock  Oshkosh  Water birds  Wisconsin  
    BHL Collections: Seed & Nursery Catalogs
  61. By: Terrell, Clyde B. - Terrell's Aquatic Farm. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Oshkosh, Wis., U.S.A. :Clyde B. Terrell,[1931?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Animal feeding  Aquatic plants  Catalogs  Ducks  Evergreens  Feeding and feeds  Fishes  Food  Nurseries (Horticulture)  Nursery stock  Oshkosh  Plants, Ornamental  Seedlings  Shrubs  Trees  Waterfowl  Wildlife attracting  Wisconsin  
    BHL Collections: Seed & Nursery Catalogs
  62. By: United States. Bureau of the Census.
    Publication info: Washington :U.S. Govt. Print. Off.,1933.
    Holding Institution: Penn State University (archive.org)
    Subjects: Agriculture  Census, 15th, 1930  Ducks  Eggs  Geese  Poultry  Turkeys  United States  
  63. By: Terrell's Aquatic Farm. - Terrell, Clyde B. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Oshkosh, Wisconsin, U.S.A. :Terrell's Aquatic Farms and Nurseries ,[1934?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Aquatic plants  Catalogs  Ducks  Feeding and feeds  Nursery stock  Oshkosh  Water birds  Wisconsin
    BHL Collections: Seed & Nursery Catalogs
  64. By: Fleming, James H. (James Henry), - Royal Ontario Museum of Zoology.
    Publication info: Toronto :University of Toronto Press,1935.
    Holding Institution: Royal Ontario Museum (archive.org)
    Subjects: Birds  Campbell Island  Ducks  New Zealand  
  65. By: Hawkins, Arthur Stuart. - Bellrose, Frank Chapman, - Anderson, Harry George,
    Publication info: Urbana, Ill.,Natural History Survey,1939.
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Ducks  
  66. By: Bellrose, Frank Chapman, - Anderson, Harry George,
    Publication info: Urbana, Ill.,Natural History Survey,1940.
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Birds  Ducks  Food  Freshwater plants  Illinois  Illinois River Valley  
  67. By: Imler, Ralph H. - U.S. Fish and Wildlife Service.
    Publication info: Chicago, Ill. :U.S. Dept. of the Interior, Fish and Wildlife Service,1944.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Agricultural pests  Control  Ducks  
  68. By: Bellrose, Frank Chapman, - Chase, Elizabeth Brown,
    Publication info: Urbana,1950.
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Ducks  
  69. By: Moynihan, M.
    Publication info: 1956
    Holding Institution: Smithsonian Institution Archives
    Subjects: Animal behavior  Brazil  Chile  Ducks  Ethology  Field notes  Ornithology  Peru  Porvenir, Bahía  Rio Grande do Sul  South America  Tierra del Fuego  Viamonte  
    BHL Collections: Smithsonian Field Books collection
  70. By: Clapp, Roger B. - Stadel, Dennis L.
    Publication info: 1962-1966
    Holding Institution: Smithsonian Institution Archives
    Subjects: Black-and-white photographs  Ducks  Field notes  Hawaii  Laysan Island  Ornithology  Pacific Ocean Biological Survey Program  United States  
    BHL Collections: BHL Field Notes Project | Smithsonian Field Books collection
  71. By: Donaghey, Richard Hallam.
    Publication info: Edmonton :University of Alberta, Dept. of Zoology,1975.
    Holding Institution: University of Alberta Libraries (archive.org)
    Subjects: Alberta, North of Line E-W Thru Edmonton  Animal Reproduction  Brant  Breeding  Canada  Ducks  Geese  Northern Alberta  Peace River Country  Swans
  72. By: Calverley, Brett K.
    Publication info: Edmonton :University of Alberta, Dept. of Zoology,1975.
    Holding Institution: University of Alberta Libraries (archive.org)
    Subjects: Alberta  Animal Reproduction  Brant  Breeding  Canada  District of Mackenzie, NW  Ducks  Geese  Mackenzie Delta  Northwest Territories  Swans
  73. By: Sparks, Richard E. - Smith, Kenneth E. - U.S. Fish and Wildlife Service.
    Publication info: S.l. :s.n.,1979
    Holding Institution: Lewis & Clark Community College / NGRREC (archive.org)
    Subjects: Aquatic organisms  Ducks  Effect of water pollution on  Fishes  Mississippi river  Pollution  Water  
  74. By: Butterworth, Eric Wynn.
    Publication info: Edmonton :University of Alberta, Dept. of Zoology,1982.
    Holding Institution: University of Alberta Libraries (archive.org)
    Subjects: Brant  Ducks  Geese  Helminths  Leeches  Swans  Vermes
  75. By: Kerr, Rick. - Montana Natural Heritage Program.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1989]
    Holding Institution: Montana State Library (archive.org)
    Subjects: Ducks  Harlequin duck  Kootenai National Forest (Mont. and Idaho)  
  76. By: Markum, Darrell. - Montana Natural Heritage Program.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1990]
    Holding Institution: Montana State Library (archive.org)
    Subjects: Ducks  Gallatin National Forest  Harlequin duck  Montana  
  77. By: Carlson, John C. - Montana Natural Heritage Program. - Flathead National Forest (Agency : U.S.)
    Publication info: Helena, MT :Montana Natural Heritage Program,[1990]
    Holding Institution: Montana State Library (archive.org)
    Subjects: Ducks  Flathead National Forest  Harlequin duck  Montana  
  78. By: Merz, Norm. - Montana Natural Heritage Program.
    Publication info: [Helena, MT] :Montana Natural Heritage Program,[1991]
    Holding Institution: Montana State Library (archive.org)
    Subjects: Clark Fork (Mont. and Idaho)  Ducks  Harlequin duck  
  79. By: Lee, David N. B. - Genter, David Leon. - Montana Natural Heritage Program. - Flathead National Forest (Agency : U.S.)
    Publication info: Helena, MT :Montana Natural Heritage Program,1991.
    Holding Institution: Montana State Library (archive.org)
    Subjects: Ducks  Flathead National Forest  Harlequin duck  Montana  
  80. By: Gangemi, John Thomas. - Montana Natural Heritage Program.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1991]
    Holding Institution: Montana State Library (archive.org)
    Subjects: Ducks  Flathead National Forest  Harlequin duck  Montana