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

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

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)

The birds of Virginia - Bailey, Harold H. (Harold Harris), 1878 -1962 (J. P. Bell Company, Inc, 1913)

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

Birds of Worcester county - Worcester Natural History Society. (Prouty-Dodge Pr. Co, 1911)

The birds of Wyoming - Knight, Wilbur C. (Wilbur Clinton), 1858 -1903 (Wyoming Experiment Station], 1902)

The birds of Wyoming - Knight, Wilbur C. (Wilbur Clinton), 1858 -1903 (Wyoming Experiment Station, 1902)

Birds: the elements of ornithology ; with 174 illustrations whereof 140 are original drawings - Mivart, St. George Jackson, 1827 -1900 (R.H. Porter, 1892)

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

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1971)

Bollettino della Società zoologica italiana - Società zoologica italiana. (La Società, 1900)

Bollettino della Società zoologica italiana - Società zoologica italiana. (La Società, 1909)

Bonn zoological bulletin - Zoologisches Forschungsmuseum Alexander Koenig. (Zoologisches Forschungsmuseum Alexander Koenig, 2010)

Bonner zoologische Monographien (Zoologisches Forschungsinstitut und Museum Alexander Koenig, 1984)

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

Breeder and sportsman ([s.n.], 1902)

Brehms thierleben, allgemeine kunde des thierreichs - Brehm, Alfred Edmund, 1829 -1884 (Verlag des Bibliographischen instituts, 1879)

Brehms Tierleben; allgemeine kunde des thierreichs. Mit 1910 abbildungen im text, 11 karten und 180 tafeln in farbendruck und holzschnitt - Brehm, Alfred Edmund, 1829 -1884 (Bibliographisches Institute, 1893)

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)

Breviora - Harvard University. Museum of Comparative Zoology. (Museum of Comparative Zoology, Harvard University, 2016)

British birds (1935)

British birds (1994)

British birds (2005)

British birds (2009)

British birds (2014)

British zoology - Pennant, Thomas, 1726 -1798 (Printed for Wilkie and Robinson [etc.], 1812)

British zoology - Pennant, Thomas, 1726 -1798 (Printed for Wilkie and Robinson; J. Nunn; White and Cochrane; Longman, Hurst, Rees, Orme, and Brown; Cadell and Davies; J. Harding; J. Booth; J. Richardson; J. Mawman; J. and A. Arch; R. Baldwin; and, 1812)

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)

Büffons Naturgeschichte der Vögel : aus dem Französischen, mit Anmerkungen und Zusätzen - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (bey Hermann Heinrich Holle, 1781)

Bulletin - Ridgway Ornithological Club. (American field, 1887)

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

Bulletin - Essex County Ornithological Club of Massachusetts. (1931)

Bulletin - Société des amis des sciences naturelles de Rouen. (1891)

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

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

Bulletin - United States National Museum (G.P.O, 1950)

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

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

Bulletin - United States National Museum (G.P.O, 1932)

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

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

Bulletin - United States National Museum (G.P.O, 1961)

Bulletin - National Museum of Canada. (National Museum of Canada, 1946)

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, 1911)

Bulletin de la Société d'histoire naturelle de Colmar - Société d'histoire naturelle de Colmar. (Société d'histoire naturelle de Colmar, 1895)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1831)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1910)

Bulletin de la Société philomathique de Paris - Société Philomathique de Paris. (Société philomathique de Paris, 1911)

Bulletin from the laboratories of natural history of the State University of Iowa - University of Iowa. (The University, 1893)

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

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, 1908)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1913)

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

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1892)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1905)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1984)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1995)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2000)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2002)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1893)

Bulletin of the Brooklyn Entomological Society - Brooklyn Entomological Society (The Society, 1937)

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

Bulletin of the Department of Geology - University of California, Berkeley. Department of Geology. (The University Press, 1910)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1873)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1875)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1876)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1877)

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

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

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1876)

Bulletin of the Michigan Ornithological Club - Michigan Ornithological Club. (The Club, 1898)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1871)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1930)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1949)

Bulletin of the Nuttall Ornithological Club - Baird, Spencer Fullerton, 1823 -1887 (The Club, 1882)

Bulletin of the United States Geological and Geographical Survey of the Territories - Geological; Geographical Survey of the Territories (U.S.) (Government Printing Office, 1876)

Bulletin of the United States Geological and Geographical Survey of the Territories - Geological; Geographical Survey of the Territories (U.S.) (Government Printing Office, 1879)

Bulletin of the United States Geological and Geographical Survey of the Territories - Geological; Geographical Survey of the Territories (U.S.) (Government Printing Office, 1880)

Bulletin of the United States Geological and Geographical Survey of the Territories - Geological; Geographical Survey of the Territories (U.S.) (Government Printing Office, 1881)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1875)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1882)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1883)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1881)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1885)