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

British birds - Thorburn, Archibald, 1860 -1935 (Longmans, Green, 1915)

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Bulletin - Natural History Society of Maryland (The Society, 1938)

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Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 2003)

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

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

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

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

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

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

Bulletin - National Museum of Canada. (National Museum of Canada, 1940)

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

Bulletin - National Museum of Canada. (National Museum of Canada, 1950)

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

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1871)

Bulletin de la Société nationale d'acclimatation de France - Société nationale d'acclimatation de France (Société nationale d'acclimatation de France, 1914)

Bulletin de la Société zoologique de France - Société zoologique de France. (La Société, 1882)

Bulletin General et Universel des Annonces et de Nouvelles Scientifiques (1823)

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

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 African Bird Club - African Bird Club. (African Bird Club, 2013)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2014)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2016)

Bulletin of the Amateur Entomologists' Society - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1986)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1905)

Bulletin of the British Museum (Natural History) Entomology - British Museum (Natural History) (The Museum, 1966)

Bulletin of the British Museum (Natural History) Historical Series - British Museum (Natural History) (BM(NH), 1959)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1899)

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, 1920)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1922)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1928)

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

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1939)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1992)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1994)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2009)

Bulletin of the Buffalo Society of Natural Sciences - Buffalo Society of Natural Sciences. (Buffalo Society of Natural Sciences, 1886)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1872)

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

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1874)

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, 1878)

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

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1881)

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

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, 1872)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1875)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1902)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1943)

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

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1960)

Bulletin of the Natural History Society of Maryland - Natural History Society of Maryland (The Society, 1940)

Bulletin of the Nuttall Ornithological Club - Baird, Spencer Fullerton, 1823 -1887 (The Club, 1876)

Bulletin of the Nuttall Ornithological Club - Baird, Spencer Fullerton, 1823 -1887 (The Club, 1877)

Bulletin of the Nuttall Ornithological Club - Baird, Spencer Fullerton, 1823 -1887 (The Club, 1878)

Bulletin of the Nuttall Ornithological Club - Baird, Spencer Fullerton, 1823 -1887 (The Club, 1879)