110 years of biological control research and development in the United States Department of Agriculture : 1883-1993 - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 2000)

1988 IUCN red list of threatened animals (1988)

1990 IUCN red list of threatened animals (1990)

1994 IUCN red list of threatened animals (1994)

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.], 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, 1882)

Abhandlungen herausgegeben vom Naturwissenschaftlichen Verein zu Bremen - Naturwissenschaftlicher Verein zu Bremen. (Im Selbstverlag des Naturwissenschaftlichen Vereins, 1884)

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

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)

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

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, 1936)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1961)

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, 1966)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1968)

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, 1973)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1981)

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, 1994)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1995)

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, 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, 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)

Allgemeine deutsche naturhistorische Zeitung - Gesellschaft Isis in Dresden. (R. Kuntze, 1846)

Allgemeine Encyklopädie der gesammten Forst- und Jagdwissenschaften. Unter Mitwirkung der bedeutendsten Fachautoritäten - Dombrowski, Raoul von, 1833 -1896 (M. Perles, 1886)

Allgemeine Zoologie und Abstammungslehre - Plate, Ludwig, 1862 -1937 (Fischer, 1922)

American forestry - American Forestry Association. (American Forestry Association, 1918)

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, 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)

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.], 1904)

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 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, 1873)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1901)

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 Universidad de Chile - Universidad de Chile. (1861)

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.], 1975)

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

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)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1886)

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

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1886)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1887)

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 historico-naturales Musei Nationalis Hungarici - Horváth, Géza, 1847 -1937 (1914)

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, 1875)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1877)

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, 1870)

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, 1920)

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)

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, 2010)

Annals of natural history (R. and J.E. Taylor, 1838)

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, 1928)

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

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

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

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

Annotated bibliographies on selected bird species inhabiting the California desert - Thelander, Carl G. ([S.l, 1979)

Annotated bibliography of 40 birds in the California desert - United States. Bureau of Land Management. ([S.l, 1978)

An annotated list of the birds of Cerro UrutaniМЃ on the border of Estado BoliМЃvar, Venezuela, and Territorio Roraima, Brazil - Dickerman, Robert William, 1926 - (American Museum of Natural History, 1982)

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

Annual report for the year ended June 30 ... - United States National Museum (Smithsonian Institution, 1951)

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 director of the Museum of Comparative Zoölogy at Harvard College to the president and fellows of Harvard College for ... - Harvard University. Museum of Comparative Zoology. (Printed for the Museum, 1918)

Annual report of the New York Zoological Society - New York Zoological Society. (The Society, 1906)

Annual report of the New York Zoological Society - New York Zoological Society. (The Society, 1908)

Annual report of the Regents - New York State Museum. (J.B. Lyon, State Printer, 1900)

Annual report of the Regents - New York State Museum. (J.B. Lyon, State Printer, 1908)

Annual report : terrestrial baseline studies - Ecology Consultants, inc. (Rio Blanco Oil Shale Project, 1976)

Annual report to the Board of Trustees - Field Museum of Natural History. (The Field Museum, 1991)

Annuario del Museo Zoologico della Università di Napoli - Università di Napoli. Museo Zoologico. (1909)

Apuntes para la fauna Puerto-Riqueña - Gundlach, Johannes Christoph, 1810 -1896 (s.n, 1878)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1918)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1935)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1978)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1988)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 2000)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 2003)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1861)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1900)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1902)