1986 IUCN red list of threatened animals - IUCN Conservation Monitoring Centre. (International Union for Conservation of Nature and Natural Resources, 1986)

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

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

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

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)

Agricultural news - Great Britain. Imperial Dept. of Agriculture for the West Indies. (Bowen & sons, 1906)

Aguas continentales y diversidad biológica de México - Arriaga Cabrera, Laura (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2000)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 2005)

Album 1 Venezuela, 1954 - Wetmore, Alexander, 1886 -1978 (1954)

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

Allgemeines Polyglotten-Lexicon der Naturgeschichte mit erklaerenden Anmerkungen - Nemnich, Philipp Andreas, 1764 -1822 (Nemnich, 1793)

L'Amazonie brésilienne : le pays, ses habitants, ses ressources, notes et statistiques jusqu'en 1920 - Le Cointe, Paul, 1870 -1956 (A. Challamel, 1922)

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.], 1900)

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

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2020)

Anales de la Academia de Ciencias Médicas, Físicas y Naturales de la Habana - Academia de Ciencias Médicas, Físicas y Naturales de La Habana. (Academia de Ciencias Médicas, Físicas y Naturales de la Habana, 1896)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1887)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1876)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1926)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1953)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1882)

Anales de la Universidad de Chile - Universidad de Chile. (1858)

Anales de la Universidad de Chile - Universidad de Chile. (1865)

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

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

Anales del Museo Nacional de Buenos Aires - Museo Nacional de Buenos Aires. (Impr. de Juan A. Alsina, 1911)

Anales del Museo Nacional de Historia Natural de Buenos Aires - Museo Nacional de Historia Natural de Buenos Aires. (Impr. y Casa Editora "Juan A. Alsina", 1911)

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 figures in the Maya codices - Allen, Glover M. (Glover Morrill), 1879 -1942 (The Museum, 1910)

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, 1990)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1991)

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, 2005)

The animal kingdom : arranged in conformity with its organization - Gray, John Edward 1800 -1875 (Printed for G.B. Whittaker, 1829)

The animal kingdom : arranged in conformity with its organization - Gray, John Edward 1800 -1875 (Printed for G.B. Whittaker, 1835)

Annalen des Wiener Museums der Naturgeschichte - Wiener Museum der Naturgeschichte. (Rohrmann und Schweigerd, 1836)

Annales de l'Institut océanographique - Institut océanographique. (Impr. de Monaco, 1909)

Annales de la Société entomologique de Belgique - Société entomologique de Belgique. (Société entomologique de Belgique, 1870)

Annales de la Société entomologique de Belgique - Société entomologique de Belgique. (Société entomologique de Belgique, 1877)

Annales de la Société entomologique de Belgique - Société entomologique de Belgique. (Société entomologique de Belgique, 1878)

Annales de la Société entomologique de Belgique - Société entomologique de Belgique. (Société entomologique de Belgique, 1882)

Annales de la Société entomologique de Belgique - Société entomologique de Belgique. (Société entomologique de Belgique, 1884)

Annales de la Société entomologique de France - Société entomologique de France. (La Société, 1877)

Annales de la Société entomologique de France - Société entomologique de France. (La Société, 1878)

Annales de la Société entomologique de France - Société entomologique de France. (La Société, 1879)

Annales de la Société entomologique de France - Société entomologique de France. (La Société, 1881)

Annales de la Société royale zoologique et malacologique de Belgique - Société royale zoologique et malacologique de Belgique. (s.n.], 1906)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1910)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1911)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1916)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1922)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1986)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1999)

Annals of the Lyceum of Natural History of New York - Lyceum of Natural History (New York, N.Y.) (1862)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1970)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1982)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1986)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1988)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1989)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2000)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2008)

Annals of the New York Academy of Sciences - New York Academy of Sciences. (New York Academy of Sciences, 1877)

Annotated CITES appendices and reservations - IUCN Conservation Monitoring Centre. (IUCN Conservation Monitoring Centre, 1986)

Annotated CITES Appendices and Reservations (2001)

Annotated CITES appendices and reservations 1988 (1988)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1889)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1890)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1897)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1896)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1898)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1899)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1901)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1902)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1903)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1904)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1905)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1910)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1911)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1912)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1913)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1914)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1915)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1916)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1917)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1918)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1919)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1920)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1921)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1922)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1923)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1924)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1925)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1926)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1927)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1928)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1929)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1930)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1931)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1936)

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, 1944)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1952)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1954)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1957)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1958)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1959)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1960)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1962)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1963)

Annual report of the curator of the Museum of Comparative Zoölogy at Harvard College, to the president and fellows of Harvard College for ... - Harvard University. Museum of Comparative Zoology. (Press of J. Wilson, 1904)

Annual report of the curator of the Museum of Comparative Zoölogy at Harvard College, to the president and fellows of Harvard College for ... - Harvard University. Museum of Comparative Zoology. (Press of J. Wilson, 1905)

Annual report of the curator of the Museum of Comparative Zoölogy at Harvard College, to the president and fellows of Harvard College for ... - Harvard University. Museum of Comparative Zoology. (Press of J. Wilson, 1909)

Annual report of the director of the Museum of Comparative Zoölogy at Harvard College to the president of Harvard College for ... - Harvard University. Museum of Comparative Zoology. (Printed for the Museum, 1935)