The birds of the Ligonier Valley - Leberman, Robert C. (Carnegie Museum of Natural History, 1976)

Birds of the New York city region - Linnaean Society of New York ([American Museum of Natural History], 1923)

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)

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

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)

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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)

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)

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

Birds of the West; an account of the lives and the labors of our feathered friends - Holmes, Charles Edgar (Hammond & Stephens co, 1907)

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 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 publishing 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)

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Birds the world over, as shown in habitat groups in Chicago Natural History Museum - Chicago Natural History Museum. (1954)

The blessed birds; or, Highways and byways - Fish, Eldridge Eugene. (O. Ulbrich, 1890)

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Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2011)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1967)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1968)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1962)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2012)

The book of birds : common birds of town and country and American game birds - Fuertes, Louis Agassiz, 1874 -1927 (National Geographic Society, 1918)

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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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Brehms Tierleben : allgemeine Kunde des Tierreichs : mit 1800 Abbildungen im Text, 9 Karten und 180 Tafeln in Farbendruck und Holzschnitt - Brehm, Alfred Edmund, 1829 -1884 (Bibliographisches Institut, 1891)

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British birds (1957)

British birds (1963)

British birds (1969)

British birds (1972)

British birds (1974)

British birds (1977)

British birds (1980)

British birds (1982)

British birds (1994)

British birds (2009)

British birds (2012)

Brockhaus' Konversations-Lexikon (F.A. Brockhaus, 1892)

Brockhaus' Konversations-Lexikon (F.A. Brockhaus, 1893)

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Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 1986)

Bulletin - National Museum of Canada. (National Museum of Canada, 1926)

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Bulletin - National Museum of Canada. (National Museum of Canada, 1965)

Bulletin - National Museum of Canada. (National Museum of Canada, 1934)

Bulletin - United States National Museum (G.P.O, 1946)

Bulletin - United States National Museum (G.P.O, 1949)

Bulletin - United States National Museum (G.P.O, 1953)

Bulletin - United States National Museum (G.P.O, 1963)

Bulletin - National Museum of Canada. (National Museum of Canada, 1967)

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Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1900)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1906)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1905)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1908)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1911)

Bulletin de la Société d'acclimatation - Société d'acclimatation (Société d'acclimatation, 1877)

Bulletin de la Société d'acclimatation - Société d'acclimatation (Société d'acclimatation, 1871)

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Bulletin - Illinois. Natural History Survey Division (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1918)

Bulletin - Illinois. Natural History Survey Division (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1921)

Bulletin - Illinois. Natural History Survey Division (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1961)

Bulletin / New York State Museum - New York State Museum. (New York State Education Dept, 1899)

Bulletin / New York State Museum - New York State Museum. (New York State Education Dept, 1900)

Bulletin of Carnegie Museum of Natural History - Carnegie Museum of Natural History (Carnegie Museum of Natural History, 1977)

Bulletin of Carnegie Museum of Natural History - Carnegie Museum of Natural History (Carnegie Museum of Natural History, 1978)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1924)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1886)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1896)

Bulletin of the Bird Club of Princeton University - Scott, William Earl Dodge, 1852 -1910 (The Club, 1901)

Bulletin of the British Museum (Natural History) Entomology - British Museum (Natural History) (The Museum, 1956)

Bulletin of the British Museum (Natural History) Zoology - British Museum (Natural History) (BM(NH), 1988)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1931)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1935)

Bulletin of the Buffalo Society of Natural Sciences - Buffalo Society of Natural Sciences. (Buffalo Society of Natural Sciences, 1910)

Bulletin of the Cooper Ornithological Club - Cooper Ornithological Club. (The Club, 1899)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1878)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1879)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1880)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1883)