1988 IUCN red list of threatened animals (1988)

1990 IUCN red list of threatened animals (1990)

1994 IUCN red list of threatened animals (1994)

Abhandlungen - Heidelberger Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Klasse. (W. de Gruyter [etc.], 1922)

Abhandlungen der Königlich Preussischen Akademie der Wissenschaften - Königlich Preussische Akademie der Wissenschaften zu Berlin (Verlag der Königlichen Akademie der Wissenschaften, 1908)

Abhandlungen der Mathematisch-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften - Königlich Bayerische Akademie der Wissenschaften (1906)

Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft - Senckenbergische Naturforschende Gesellschaft. (Waldemar Kramer [etc.], 1877)

Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft - Senckenbergische Naturforschende Gesellschaft. (Waldemar Kramer [etc.], 1880)

Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft - Senckenbergische Naturforschende Gesellschaft. (Waldemar Kramer [etc.], 1920)

Abhandlungen herausgegeben vom Naturwissenschaftlichen Verein zu Bremen - Naturwissenschaftlicher Verein zu Bremen. (Im Selbstverlag des Naturwissenschaftlichen Vereins, 1882)

Abhandlungen und Berichte des Königl. Zoologischen und Anthropologisch-Etnographischen Museums zu Dresden - Königl. Zoologisches und Anthropologisch-Ethnographisches Museum zu Dresden (Germany) (R. Friedlaender, 1901)

Abriss der zoologie für studirende : ärzte und lehrer - Brass, Arnold, 1854 -1915 (W. Engelmann, 1882)

Advances in herpetology and evolutionary biology : essays in honor of Ernest E. Williams - Harvard University. Museum of Comparative Zoology. (Museum of Comparative Zoology, 1983)

Altitudinal ecology of Agama tuberculata Gray in the western Himalayas - Waltner, Robert C. (Museum of Natural History, University of Kansas, 1991)

Alytes - International Society For The Study; Conservation Of Amphibians (Museum national d'histoire naturelle, 1996)

The American journal of anatomy - Wistar Institute of Anatomy; Biology. ([s.n.], 1907)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1849)

American men of science; a biographical directory - Cattell, James McKeen, 1860 -1944 (The Science Press, 1921)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1875)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1889)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1895)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1919)

The amphibia and reptilia of Colorado - Ellis, Max Mapes, 1887 -1953 (University of Colorado, 1913)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 1996)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2000)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2012)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2013)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2014)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2015)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2017)

Amphibians and reptiles of the Madrean Archipelago of Arizona and New Mexico - Cole, Charles J. (American Museum of Natural History, 2014)

Amphibians and reptiles of the McElmo rare lizard and snake area in southwest Colorado - United States. Bureau of Land Management. (U.S. Fish and Wildlife Service, 1977)

Amphibians and reptiles of the McElmo Rare Lizard and Snake Area in southwest Colorado : a report to the Bureau of Land Management, Montrose, Colorado - U.S. Fish; Wildlife Service (U.S. Fish and Wildlife Service, National Fish and Wildlife Laboratory, 1977)

Amphibians of the Coeur d'Alene basin : a survey of Bureau of Land Management lands - Beck, Jonathan M. (Bureau of Land Management, Idaho State Office, 1998)

Die Amphibien und Reptilien Griechlands / von Dr. Jacques v. Bedriaga - Bedriaga, Jacques von, 1854 -1906 (s.n, 1882)

Anais do Segundo Congresso Latino-Americano de Zoologia Realizado em São Paulo, de 16 a 21 de julho de (Departamento de Zoologia da Secretaria da Agricultura, 1962)

Anales de la Universidad de Chile - Universidad de Chile. (1907)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1973)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1977)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1978)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1979)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1980)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1981)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1986)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1987)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1995)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 2010)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 2015)

Anales del Museo Nacional de Buenos Aires - Museo Nacional de Buenos Aires. (Impr. de Juan A. Alsina, 1895)

Anales del Museo Público de Buenos Aires - Museo Público de Buenos Aires. (El Museo, 1888)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1894)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1896)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1908)

Animal geography : the faunas of the natural regions of the globe - Newbigin, Marion I. (Marion Isabel), 1869 -1934 (Clarendon Press, 1913)

Animal geography, the faunas of the natural regions of the Globe - Newbigin, Marion I. (Marion Isabel), 1869 -1934 (Clarendon Press, 1913)

Animal hormones; a comparative survey - Jenkin, Penelope M. (Pergamon Press, 1962)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1988)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1997)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1998)

Animate creation; popular edition of "Our living world" a natural history - Wood, J. G. (John George), 1827 -1889 (S. Hess, 1885)

Annales historico-naturales Musei Nationalis Hungarici - Horváth, Géza, 1847 -1937 (1918)

Annali del Museo civico di storia naturale Giacomo Doria - Museo civico di storia naturale Giacomo Doria (Genoa, Italy) (Stab. tipo-litografico P. Pellas Fu L, 1961)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1905)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1908)

Annals of the Cape provincial Museums Natural history - Albany Museum (Grahamstown, South Africa). (Published jointly by the Cape provincial museums at the Albany Museum, 1979)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1936)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1967)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1968)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1970)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1973)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1974)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1977)