Birds of the Northwest: a hand-book of the ornithology of the region drained by the Missouri River and its tributaries - Coues, Elliott, 1842 -1899 (Govt. Print. Off, 1874)

Birds of the Pacific coast, including a brief account of the distribution and habitat of one hundred and eighteen birds that are more or less common to the Pacific coast states and British Columbia, many of which are found eastward to the Rocky mountains and beyond - Eliot, Willard Ayres, 1871 - (G. P. Putnam's sons, 1923)

The birds of the Red Deer River, Alberta - Taverner, P. A. (Percy Algernon), 1875 -1947 (1919)

Birds of the Rockies - Keyser, Leander S. (Leander Sylvester), 1856 -1937 (A. C. McClurg and co, 1902)

Birds of the Southern Appalachians - United States. Forest Service. Southern Region. (USDA Forest Service, Southern Region, 1968)

Birds of the St. Croix River Valley, Minnesota and Wisconsin - Faanes, Craig A. (Fish and Wildlife Service, 1981)

Birds of the United States east of the Rocky Mountains; a manual for the identification of species in hand or in the bush - Apgar, A. C. (Austin Craig), 1838 -1908 (American Book Co, 1898)

Birds of the United States east of the Rocky Mountains, a manual for the identification of species in hand or in the bush - Apgar, A. C. (Austin Craig), 1838 -1908 (American book company, 1898)

The birds of the vicinity of Lake Nipissing, Ontario - Ricker, William Edwin. (Royal Ontario Museum], 1939)

Birds of the vicinity of the University of Indiana - McAtee, W. L. (Waldo Lee) 1883 -1962 (1905)

Birds of the world; an illustrated natural history, prepared by workers of the Federal Writers Project of the Works Progress Administration in the city of New York; with art work by the WPA Federal Art Project in the city of New York; sponsored by the Guilds Committee for Federal Writers Publications, inc - Federal Art Project (New York, N.Y.) (A. Whitman & Co, 1938)

Birds of the world for young people - Knight, Charles Robert, 1874 -1953 (F.A. Stokes Company, 1909)

Birds of the world; a popular account - Ridgway, Robert, 1850 -1929 (Holt, 1909)

Birds of Toronto, Ontario - Fleming, James H. (James Henry), 1872 -1940 (s.n, 1913)

Birds of village and field a bird book for beginners - Bailey, Florence Merriam, 1863 -1948 (McClelland & Goodchild, 1898)

Birds of village and field: a bird book for beginners - Bailey, Florence Merriam, 1863 -1948 (Houghton, Mifflin and company, 1898)

The birds of Washington : a complete, scientific and popular account of the 372 species of birds found in the state - Bowles, John Hooper, 1875 -1934 (Occidental Pub. Co, 1909)

The birds of Washington; a complete, scientific and popular account of the 372 species of birds found in the state - Bowles, John Hooper, 1875 -1934 (The Occidental Pub. Co, 1909)

Birds of Washington and vicinity : including adjacent parts of Maryland and Virginia - Bailey, Florence Merriam, 1863 -1948 (Woodward & Lothrop, 1902)

Birds of Washington and vicinity, including adjacent parts of Maryland and Virginia - Maynard, Lucy Warner, 1852 -1936 (1898)

Birds of West Virginia - Doan, Wm. D. (William D.) (1888)

Birds of West Virginia, their economic value and aesthetic beauty ... - West Virginia. State ornithologist. (1923)

Birds of western Canada - Taverner, P. A. (Percy Algernon), 1875 -1947 (King's Printer, 1926)

Birds of western New York - Eaton, Elon Howard, 1866 -1934 (The Society, 1901)

The birds of Wyoming, with an explanation of recent changes in their distribution; economic aspect also considered - Grave, B. H. (Benjamin Harrison), 1878 -1949 (University of Wyoming, 1913)

Birds of Yellowstone and Grand Teton National Parks - United States. National Park Service. (Yellowstone Library and Museum Association, in cooperation with National Park Service, U.S. Dept. of Interior)

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Birds that hunt and are hunted : life histories of one hundred and seventy birds of prey, game birds and water-fowls - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Grosset & Dunlap, 1904)

Birds that hunt and are hunted : life histories of one hundred and seventy birds of prey, game birds and water-fowls - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, Page & Co, 1902)

Birds that hunt and are hunted : life histories of one hundred and seventy birds of prey, game birds and water-fowls - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Geo N. Morang & Co, 1902)

Birds that hunt and are hunted; life histories of one hundred and seventy birds of prey, game birds and water fowls - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday & McClure, 1898)

Birds that hunt and are hunted; life histories of one hundred and seventy birds of prey, game birds and water fowls - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday & McClure co, 1899)

Birds that hunt and are hunted: life histories of one hundred and seventy birds of prey, game birds and water-fowls - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, Page & company, 1904)

Birds that hunt and are hunted: life histories of one hundred and seventy birds of prey, game birds and water-fowls - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, Page & company, 1908)

Birds that hunt and are hunted; life histories of one hundred and seventy birds of prey, game birds and water-fowls - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, Page, 1912)

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Black-footed ferret surveys on seven coal occurrence areas in Wyoming : February-September 1979 : final report 1980 - U.S. Fish; Wildlife Service (U.S. Fish and Wildlife Service, 1980)

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The book of birds; common birds of town and country and American game birds - Fuertes, Louis Agassiz, 1874 -1927 (National Geographic Society, 1921)

The book of woodcraft - Seton, Ernest Thompson, 1860 -1946 (The Sun dial press, inc, 1939)

The book of woodcraft - Seton, Ernest Thompson, 1860 -1946 (Doubleday, Page & company, 1912)

The book of woodcraft - Seton, Ernest Thompson, 1860 -1946 (Garden City Pub. Co, 1921)

The book of woodcraft and Indian lore - Seton, Ernest Thompson, 1860 -1946 (Doubleday, Page & company, 1913)

The book of woodcraft and Indian lore - Seton, Ernest Thompson, 1860 -1946 (Doubleday, Page, 1912)

The book of woodcraft and Indian lore - Seton, Ernest Thompson, 1860 -1946 (Doubleday, Page & Company, 1922)

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British and foreign Aborigines' protection society - Aborigines' protection society. (Printed by J. and C. Adlard, 1830)

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British birds with their nests and eggs - Frohawk, Frederick William, 1861 -1946 (Brumby & Clarke, 1896)

Brothers EIS area in Central Oregon : wildlife habitat interrelationships : working draft - United States. Bureau of Land Management. Oregon State Office. (Bureau of Land Management, Oregon State Office, 1982)

The brown rat in the United States - Lantz, David E. (David Ernest) (U.S. Dept. of Agriculture, Biological Survey, 1909)

Bulletin - Colorado Agricultural Experiment Station (Colorado State University Experiment Station, 1897)

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Bulletin - United States National Museum (G.P.O, 1921)

Bulletin - United States National Museum (G.P.O, 1927)

Bulletin - United States National Museum (G.P.O, 1931)

Bulletin - United States National Museum (G.P.O, 1938)

Bulletin - United States National Museum (G.P.O, 1958)

Bulletin - United States National Museum (G.P.O, 1960)

Bulletin - United States National Museum (G.P.O, 1968)