Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1989)

Boletín de la Sociedad Physis - Sociedad Physis. (Coni, 1912)

Boletín del Museo Nacional de Chile - Museo Nacional de Chile. (Museo Nacional de Chile, 1913)

Bollettino dei musei di zoologia ed anatomia comparata della R. Università di Torino - Università di Torino. Musei di zoologia ed anatomia comparata. (Accame, 1895)

Bollettino della Società adriatica di scienze naturali in Trieste - Società adriatica di scienze naturali in Trieste. (La Editoriale Libraria, 1907)

Bonner zoologische Monographien (Zoologisches Forschungsinstitut und Museum Alexander Koenig, 1975)

A book of birds - Pycraft, W. P. (William Plane), 1868 -1942 (Sidney Appleton, 1908)

Breeder and sportsman ([s.n.], 1904)

Brehms thierleben, allgemeine kunde des thierreichs - Brehm, Alfred Edmund, 1829 -1884 (Verlag des Bibliographischen instituts, 1878)

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)

Brehms Tierleben. Allgemeine kunde des Tierreichs - Werner, Franz, 1867 -1939 (Bibliographisches Institut, 1911)

Brigham Young University science bulletin. Biological series - Brigham Young University. (Brigham Young University, 1960)

Brigham Young University science bulletin. Biological series - Brigham Young University. (Brigham Young University, 1963)

Brigham Young University science bulletin. Biological series - Brigham Young University. (Brigham Young University, 1973)

The British bird book : an account of all the birds, nests and eggs found in the British Isles - Jourdain, F. C. R. (Francis Charles Robert), 1865 -1940 (T.C. & E.C. Jack, 1910)

British birds (1972)

British birds (1994)

British birds - Jardine, William, 1800 -1874 (W.H. Lizars [etc.], 1843)

British Ornithologists' Club occasional publications - British Ornithologists' Club. (British Ornithologists' Club, 1994)

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

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

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)

Buletinul Societății de Șciințe din Bucureșci, România = Bulletin de la Société des sciences de Bucarest, Roumanie - Societatea de Științe din București. (Societatea, 1892)

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

Bulletin - National Institutes of Health (U.S.) (U.S. Govt. Print. Off, 1903)

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

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

Bulletin - Colorado Agricultural Experiment Station (Colorado State University Experiment Station, 1898)

Bulletin - Colorado Agricultural Experiment Station (Colorado State University Experiment Station, 1902)

Bulletin - United States National Museum (G.P.O, 1909)

Bulletin - Société des amis des sciences naturelles de Rouen. (1889)

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

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

Bulletin - United States National Museum (G.P.O, 1926)

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

Bulletin - United States National Museum (G.P.O, 1939)

Bulletin - United States National Museum (G.P.O, 1940)

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

Bulletin - United States National Museum (G.P.O, 1955)

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

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

Bulletin - United States National Museum (G.P.O, 1967)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1888)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1889)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1893)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1895)

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'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 d'histoire naturelle du Département de la Moselle - Société d'histoire naturelle de la Moselle. ([s.n.], 1860)

Bulletin de la Societe de pathologie exotique (Masson, 1916)

Bulletin des sciences naturelles et de géologie (1828)

Bulletin des sciences naturelles et de géologie (1830)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1939)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1957)

Bulletin - Illinois. Natural History Survey Division (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1947)

Bulletin of Carnegie Museum of Natural History - Carnegie Museum of Natural History (Carnegie Museum of Natural History, 1979)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1893)

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, 1922)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1917)

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

Bulletin of the British Museum (Natural History) Zoology - British Museum (Natural History) (BM(NH), 1968)

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, 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, 1920)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1936)

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, 1963)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1971)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1978)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1981)

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, 1987)