1988 IUCN red list of threatened animals (1988)

1994 IUCN red list of threatened animals (1994)

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The African Republic of Liberia and the Belgian Congo : based on the observations made and material collected during the Harvard African Expedition, 1926-1927 - Strong, Richard P. (Richard Pearson), 1872 -1948 (Harvard University Press, 1930)

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American animals; a popular guide to the mammals of North American north of Mexico, with intimate biographies of the more familiar species - Stone, Witmer. 1866 -1939 (Doubleday, Page & co, 1913)

American animals; a popular guide to the mammals of North America north of Mexico, with intimate biographies of the more familiar species - Stone, Witmer. 1866 -1939 (Doubleday, Page & Co, 1905)

American animals a popular guide to the mammals of North America, north of Mexico, with intimate biographies of the more familiar species - Stone, Witmer. 1866 -1939 (W. Briggs, 1902)

American animals : a popular guide to the mammals of North America north of Mexico, with intimate biographies of the more familiar species - Stone, Witmer. 1866 -1939 (Doubleday, Page, 1917)

American animals; a popular guide to the mammals of North America north of Mexico, with intimate biographies of the more familiar species - Stone, Witmer. 1866 -1939 (Doubleday, Page, 1922)

American animals; a popular guide to the mammals of North America north of Mexico, with intimate biographies of the more familiar species - Stone, Witmer. 1866 -1939 (Doubleday, Page & Company,, 1920)

American animals: a popular guide to the mammals of North America north of Mexico, with intimate biographies of the more familiar species - Stone, Witmer. 1866 -1939 (Doubleday, Page & Co, 1904)

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The American journal of science (J.D. & E.S. Dana, 1896)

The American journal of science (J.D. & E.S. Dana, 1920)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1843)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1876)

The American Museum journal - American Museum of Natural History (American Museum of Natural History, 1911)

American Museum novitates - American Museum of Natural History (American Museum of Natural History, 1921)

The American natural history; a foundation of useful knowledge of the higher animals of North America - Hornaday, William T. (William Temple), 1854 -1937 (C. Scribner's Sons, 1914)

The American natural history; a foundation of useful knowledge of the higher animals of North America - Hornaday, William T. (William Temple), 1854 -1937 (C. Scribner's Sons, 1904)

The American natural history : a foundation of useful knowledge of the higher animals of North America - Beard, J. Carter (James, Carter), 1837 -1913 (G. Newnes, 1904)

The American natural history : a foundation of useful knowledge of the higher animals of North America - Hornaday, William T. (William Temple), 1854 -1937 (C. Scribner, 1906)

The American natural history : a foundation of useful knowledge of the higher animals of North America - Hornaday, William T. (William Temple), 1854 -1937 (C. Scribner's sons, 1914)

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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.], 2020)

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Anatomical technology as applied to the domestic cat; an introduction to human, veterinary, and comparative anatomy - Gage, Simon Henry, 1851 -1944 (A.S. Barnes and company, 1882)

Anatomische Hefte 1. Abt Arbeiten aus anatomischen Instituten (J.F. Bergmann, 1908)

Anatomische Hefte 1. Abt Arbeiten aus anatomischen Instituten (J.F. Bergmann, 1911)

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Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1904)

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Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1979)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1981)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1982)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1984)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1985)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1986)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1987)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1992)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1993)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1994)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1996)

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)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 2004)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 2005)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 2010)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 2016)

The animal kingdom; based upon the writings of the eminent naturalists, Audubon, Wallace, Brehm, Wood and others - Craig, Hugh. (Johnson & Bailey, 1897)

The animals of the world. Brehm's life of animals - Brehm, Alfred Edmund, 1829 -1884 (A. N. Marquis, 1895)

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