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

Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Realschul-Buchhandlung, 1845)

Abhandlungen der Naturforschenden Gesellschaft zu Görlitz - Staatliches Museum für Naturkunde Görlitz. (1881)

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, 1891)

Die Abstammung des Menschen und die geschlechtliche Zuchtwahl - Darwin, Charles, 1809 -1882 (E. Schweizerbart'sche Verlagshandlung, 1871)

Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819 and '20 : by order of the Hon. J.C. Calhoun, sec'y of war: under the command of Major Stephen H. Long. From the notes of Major Long, Mr. T. Say, and other gentlemen of the exploring party - Say, Thomas, 1787 -1834 (H.C. Carey and I. Lea, 1823)

Aide-mémoire de Zoologie - Girard, Henri, 1879 -1949 (J.-B. Bailliere, 1895)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1934)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1962)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1965)

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, 1970)

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, 1975)

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, 1978)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1979)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1993)

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, 1998)

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

Album der Natuur - Vries, Hugo de, 1848 -1935 (1861)

Az állat-ország fölosztva alkotása szerint : alapul szolgálandó az állatok természetleirásához s bevezetésul az összehasonlitó bonctanhoz - Cuvier, Georges, baron, 1769 -1832 (A Magyar Királyi Egyetem Betuivel. A M. Acadm. költségein, 1841)

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

Allgemeine Naturgeschichte für alle Stände - Oken, Lorenz, 1779 -1851 (Hoffman'sche Verlags-Buchhandlung, 1837)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1837)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1873)

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)

Anatomical and zoological researches: comprising an account of the zoological results of the two expeditions to western Yunnan in 1868 and 1875; and a monograph of the two cetacean genera, Platanista and Orcella - Anderson, John, 1833 -1900 (B. Quaritch, 1878)

Animal Ecology - Kendeigh, S. Charles (Samuel Charles), 1904 -1986 (Prentice-Hall, 1961)

The animal kingdom, arranged according to its organization, serving as a foundation for the natural history of animals : and an introduction to comparative anatomy - Cuvier, Georges, baron, 1769 -1832 (G. Henderson, 1831)

The animal kingdom, arranged according to its organization, serving as a foundation for the natural history of animals : and an introduction to comparative anatomy - Cuvier, Georges, baron, 1769 -1832 (G. Henderson, 1836)

The animal kingdom : arranged after its organization, forming a natural history of animals and an introduction to comparative anatomy - Carpenter, William Benjamin, 1813 -1885 (W. S. Orr and co, 1854)

The animal kingdom : arranged after its organization, forming a natural history of animals, and an introduction to comparative anatomy - Carpenter, William Benjamin, 1813 -1885 (Wm. S. Orr and Co., Amen Corner, Paternoster Row, 1849)

The animal kingdom : arranged after its organization; forming a natural history of animals, and an introduction to comparative anatomy - Carpenter, William Benjamin, 1813 -1885 (H.G. Bohn, 1863)

The animal kingdom : arranged in conformity with its organization - Cuvier, Georges, baron, 1769 -1832 (Carvill, 1832)

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)

The animal kingdom : arranged in conformity with its organization - Cuvier, Georges, baron, 1769 -1832 (G. & C. & H. Carvill, 1833)

The animal kingdom : arranged in conformity with its organization - Cuvier, Georges, baron, 1769 -1832 (G. & C. & H. Carvill, 1831)

Animalia vertebrata : Aves classis II - Museo civico di storia naturale di Milano. (the Museo, 1847)

Animals in menageries - Swainson, William, 1789 -1855 (Printed for Longman, Orme, Brown, Green, & Longmans, and John Taylor, 1838)

Animaux venimeux et venins: la fonction venimeuse chez tous les animaux; les appareils venimeux; les venins et leurs propriétés; les fonctions et usages des venins; l'envenimation et son traitement - Angel, M. F., (Masson & cie, 1922)

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, 1890)

Annales de l'Institut Pasteur - Centre national de la recherche scientifique (France) (Masson, 1899)

Annales des sciences naturelles Zoologie - Audouin, Jean Victor, 1797 -1841 (Crochard, 1854)

Annales des sciences naturelles Zoologie - Audouin, Jean Victor, 1797 -1841 (Crochard, 1887)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1879)

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, 1887)

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 di storia naturale (1829)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1841)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1840)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1843)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1844)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1846)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1847)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1848)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1852)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1853)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1854)

Annals of natural history (R. and J.E. Taylor, 1841)

Annals of the Cape provincial Museums Natural history - Albany Museum (Grahamstown, South Africa). (Published jointly by the Cape provincial museums at the Albany Museum, 1978)

Annals of the Cape provincial Museums Natural history - Albany Museum (Grahamstown, South Africa). (Published jointly by the Cape provincial museums at the Albany Museum, 1973)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1905)

Annals of the Lyceum of Natural History of New York - Lyceum of Natural History (New York, N.Y.) (1828)

Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum - South African Museum. (South African Museum, 1903)

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, 1974)

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

Annals of the Transvaal Museum - Transvaal Museum (Transvaal Museum, 1917)

Annals of the Transvaal Museum - Transvaal Museum (Transvaal Museum, 1913)

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

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