1988 IUCN red list of threatened animals (1988)

1990 IUCN red list of threatened animals (1990)

1994 IUCN red list of threatened animals (1994)

Årsskrift - Kungl. Vetenskaps-societeten i Uppsala. (Kongl. Vetenskaps-societeten i Upsala, 1860)

Abbildungen von Vogel-Skeletten - Meyer, Adolf Bernhard, 1840 -1911 ([s.n.], 1879)

Abhandlungen aus dem Gebiete der Naturwissenschaften / hrsg. vom Naturwissenschaftlichen Verein in Hamburg - Naturwissenschaftlicher Verein in Hamburg. (Naturwissenschaftlicher Verein, 1848)

Abhandlungen der Mathematisch-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften - Königlich Bayerische Akademie der Wissenschaften (1914)

Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft - Senckenbergische Naturforschende Gesellschaft. (Waldemar Kramer [etc.], 1897)

Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft - Senckenbergische Naturforschende Gesellschaft. (Waldemar Kramer [etc.], 1900)

Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft - Senckenbergische Naturforschende Gesellschaft. (Waldemar Kramer [etc.], 1899)

Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft - Senckenbergische Naturforschende Gesellschaft. (Waldemar Kramer [etc.], 1911)

Abhandlungen herausgegeben vom Naturwissenschaftlichen Verein zu Bremen - Naturwissenschaftlicher Verein zu Bremen. (Im Selbstverlag des Naturwissenschaftlichen Vereins, 1873)

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

Abhandlungen herausgegeben vom Naturwissenschaftlichen Verein zu Bremen - Naturwissenschaftlicher Verein zu Bremen. (Im Selbstverlag des Naturwissenschaftlichen Vereins, 1889)

Abhandlungen herausgegeben vom Naturwissenschaftlichen Verein zu Bremen - Naturwissenschaftlicher Verein zu Bremen. (Im Selbstverlag des Naturwissenschaftlichen Vereins, 1900)

Abhandlungen und Berichte des Königl. Zoologischen und Anthropologisch-Etnographischen Museums zu Dresden - Königl. Zoologisches und Anthropologisch-Ethnographisches Museum zu Dresden (Germany) (R. Friedlaender, 1892)

Abhandlungen und Berichte des Königl. Zoologischen und Anthropologisch-Etnographischen Museums zu Dresden - Königl. Zoologisches und Anthropologisch-Ethnographisches Museum zu Dresden (Germany) (R. Friedlaender, 1896)

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

Acari, Myriopoda et Scorpiones hucusque in Italia reperta - Canestrini, Giovanni, 1835 -1900 (Sumptibus Auctoris, 1882)

An account of the mammals and birds of the lower Colorado Valley : with especial reference to the distributional problems presented - University of California, Berkeley. (University of California Press, 1914)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1884)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1948)

Addition to the avifauna of Dominica. Notes on species hitherto unrecorded with descriptions of three species and a list of all birds now known to occur on the island - Verrill, A. Hyatt (Alpheus Hyatt), 1871 -1954 (1910)

Additions to the marine fauna of St. Andrews since 1874 - M'Intosh, William Carmichael, 1838 -1931 (1927)

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)

Ai confini meridionali dell'Etiopia; note di un viaggio attraverso l'Etipopia ed i paesi Galla e Somali - Citerni, Carlo, 1873 - (U. Hoepli, 1913)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1935)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1936)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1948)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1963)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1964)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1966)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1967)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1969)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1971)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1972)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1973)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1975)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1976)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1977)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1983)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1988)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1991)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1992)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1996)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1997)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1998)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 2000)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 2001)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 2002)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 2003)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 2004)

Alberta birds, 1971 - 1980 - Alberta. Alberta Culture; Multiculturalism. (Natural History Section, Provincial Museum of Alberta, 1991)

Album de aves amazonicas (Impressão do Instituto Polygraphico a.g, 1900)

American forestry - American Forestry Association. (American Forestry Association, 1919)

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's Sons, 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'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, 1914)

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.], 1896)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1904)

American ornithology; or, The natural history of birds inhabiting the United States, not given by Wilson - Bonaparte, Charles-Lucien, 1803 -1857 (Carey, Lea & Carey, 1833)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1906)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1913)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1975)

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.], 2006)

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.], 2016)

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.], 2018)

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

An analysis of the wildlife and fish situation in the United States : 1989-2040 - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1989)

The anatomical record - Wistar Institute of Anatomy; Biology. (A. R. Liss [etc.], 1906)

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

Animal Damage Control Program : final environmental impact statement - United States. Bureau of Land Management. (United States Department of Agriculture, Animal and Plant Health Inspection Service, 1994)

Animal Damage Control Program : final environmental impact statement - United States. Bureau of Land Management. (U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, 1997)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 2000)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 2013)

The animals of New Zealand; an account of the dominion's air-breathing vertebrates - Hutton, Frederick Wollaston, 1836 -1905 (Whitcombe and Tombs, 1909)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1888)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1892)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1912)

Annales des sciences naturelles Zoologie - Audouin, Jean Victor, 1797 -1841 (Crochard, 1908)

Annales historico-naturales Musei Nationalis Hungarici - Horváth, Géza, 1847 -1937 (1915)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1873)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1874)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1870)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1884)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1886)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1888)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1896)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1907)

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, 1930)

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, 1935)

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, 1979)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1928)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1943)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1955)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1987)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 2000)

Annals of the Lyceum of Natural History of New York - Lyceum of Natural History (New York, N.Y.) (1870)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1977)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2015)

Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum - South African Museum. (South African Museum, 1968)

Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum - South African Museum. (South African Museum, 1985)

Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum - South African Museum. (South African Museum, 1988)

Annals of the Transvaal Museum - Transvaal Museum (Transvaal Museum, 1910)

Annals of the Transvaal Museum - Transvaal Museum (Transvaal Museum, 1922)

Annals of the Transvaal Museum - Transvaal Museum (Transvaal Museum, 1921)

Annotated CITES Appendices and Reservations (2001)

Annotated CITES Appendices and Reservations (1998)

Annotated CITES appendices and reservations 1988 (1988)

Annotationes zoologicae japonenses / Nihon dōbutsugaku ihō - Nihon Dobutsu Gakkai. (Societas, 1915)

Annual report - New York State Museum. (University of the State of New York, 1909)

Annual report - New York State Museum. (University of the State of New York, 1914)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1937)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1939)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1941)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1944)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1945)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1946)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1947)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1948)