Biological notes - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1975)

Biological studies of the green clover worm - Hill, C. C. (Charles Chase), 1890 - (U.S. Dept. of Agriculture, 1925)

Biological survey of the Mount Desert Region - Blake, Charles Henry, 1901 -1981 (The Wistar Institute of Anatomy and Biology, 1927)

A biological survey of the Pribilof islands, Alaska. I. Birds and mammals - United States. Bureau of Biological Survey. (Govt. Print. Off, 1923)

O biológico (São Paulo) (O Institut, 1935)

O biológico (São Paulo) (O Institut, 1936)

O biológico (São Paulo) (O Institut, 1937)

O biológico (São Paulo) (O Institut, 1938)

Biologie und systematik der südschinesischen sphingiden, zugleich ein versuch einer biologie tropischer lepidopteren überhaupt - Mell, Rudolf, 1878 - (R. Friedländer & sohn, 1922)

The biologist's handbook of pronunciations - Jaeger, Edmund C. (Edmund Carroll) 1887 -1983 (Thomas, 1960)

Biology and biological control of dalmatian and yellow toadflax - United States. Forest Health Technology Enterprise Team. (Forest Health Technology Enterprise Team, U.S. Dept. of Agriculture, Forest Service, 2005)

Biology and biological control of Dalmatian and yellow toadflax - United States. Forest Health Technology Enterprise Team. (USDA Forest Service, Forest Health Technology Enterprise Team, 2016)

Biology code of the Chemical-Biological Coordination Center - National Research Council (U.S.). Chemical-Biological Coordination Center. (1960)

Biology of deserts : the proceedings of a symposium on the biology of hot and cold deserts organized by the Institute of Biology - Cloudsley-Thompson, J. L. (Institute of Biology, 1954)

The biology of insects - Carpenter, George H. (George Herbert), 1865 -1939 (The Macmillan Company, 1928)

Biology of the Membracidae of the Cayuga Lake basin ... - Funkhouser, W. D. (William Delbert), 1881 -1948 (1917)

BioRisk : biodiversity & ecosystem risk assessment (Pensoft, 2010)

BioRisk : biodiversity & ecosystem risk assessment (Pensoft, 2020)

Birds in their relations to man : a manual of economic ornithology for the United States and Canada - Dearborn, Ned (Lippincott, 1916)

Birds in their relations to man; a manual of economic ornithology for the United States and Canada - Dearborn, Ned (J. B. Lippincott Company, 1903)

The birds of Connecticut - Bishop, Louis B. (Louis Bennett), 1865 -1950 (Printed for the State Geological and Natural History Survey, 1913)

The birds of Maine; with key to and description of the various species known to occur or to have occured in the state, an account of their distribution and migration, showing their relative abundance in the various counties of the state as well as other regions, and contributions to their life histories - Knight, Ora Willis, 1874 -1913 ([printed by C. H. Glass & co.], 1908)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1986)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1994)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2009)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1993)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1992)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2006)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1988)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1991)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2001)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1990)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1996)

Boletim biológico (A Sociedade, 1937)

Boletín de la Sociedad Aragonesa de Ciencias Naturales - Sociedad Aragonesa de Ciencias Naturales. (Librería Editorial de Cecilio Gasca, 1909)

Boletín de la Sociedad Aragonesa de Ciencias Naturales - Sociedad Aragonesa de Ciencias Naturales. (Librería Editorial de Cecilio Gasca, 1910)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1927)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1972)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1973)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1974)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1975)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1981)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1982)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1985)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1986)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1992)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1993)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1997)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 2002)

Boletín de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (Estab. tip. de Fortenet, 1919)

Bollettino dei musei di zoologia ed anatomia comparata della R. Università di Torino - Università di Torino. Musei di zoologia ed anatomia comparata. (Accame, 1908)

Bollettino del Laboratorio di zoologia generale e agraria della R. Scuola superiore d'agricoltura in Portici - R. Scuola superiore d'agricoltura in Portici. Laboratorio di zoologia generale e agraria. (E. Della Torre, 1911)

Bollettino del Laboratorio di zoologia generale e agraria della R. Scuola superiore d'agricoltura in Portici - R. Scuola superiore d'agricoltura in Portici. Laboratorio di zoologia generale e agraria. (E. Della Torre, 1922)

Bollettino del Museo Zoologico della R. Università di Genova - Università di Genova. Museo Zoologico. (Museo Zoologico della R. Università di Genova, 1906)

Bollettino del Museo Zoologico della R. Università di Genova - Università di Genova. Museo Zoologico. (Museo Zoologico della R. Università di Genova, 1911)

Bollettino del Museo Zoologico della R. Università di Genova - Università di Genova. Museo Zoologico. (Museo Zoologico della R. Università di Genova, 1914)

Bollettino del naturalista : collettore, allevatore, coltivatore, acclimatatore - Brogi, Sigismondo, 1851? -1899 (Ufficio, 1899)

Bollettino della Società adriatica di scienze naturali in Trieste - Società adriatica di scienze naturali in Trieste. (La Editoriale Libraria, 1875)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1871)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1872)