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)

Abhandlungen - Heidelberger Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Klasse. (W. de Gruyter [etc.], 1922)

Abhandlungen aus der menschlichen und vergleichenden Anatomie - Gruber, Wenzel. (Buchdr. der Kaiserlichen Akademie der Wissenschaften, zu haben bei Eggers et Comp, 1852)

Abhandlungen der Königlich Preussischen Akademie der Wissenschaften - Königlich Preussische Akademie der Wissenschaften zu Berlin (Verlag der Königlichen Akademie der Wissenschaften, 1913)

Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Realschul-Buchhandlung, 1873)

Abhandlungen der Mathematisch-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften - Königlich Bayerische Akademie der Wissenschaften (1844)

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

Abhandlungen der physikalischen Klasse der Königlich-Preussischen Akademie der Wissenschaften - Königlich Preussische Akademie der Wissenschaften zu Berlin (Realschul-Buchhandlung, 1804)

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

Abhandlungen und Berichte des Königl. Zoologischen und Anthropologisch-Etnographischen Museums zu Dresden - Königl. Zoologisches und Anthropologisch-Ethnographisches Museum zu Dresden (Germany) (R. Friedlaender, 1898)

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

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

Abstammungslehre, Systematik, Paläontologie, Biogeographie - Wettstein, Richard, Ritter von Westersheim, 1863 -1931 (B. G. Teubner, 1914)

Abstracts of the papers communicated to the Royal Society of London - Royal Society (Great Britain) (Printed by Richard Taylor, 1843)

Abstracts of the papers communicated to the Royal Society of London - Royal Society (Great Britain) (Printed by Richard Taylor, 1850)

Abstracts of the papers printed in the Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1830)

Acta Societatis Scientiarum Fennicae - Suomen Tiedeseura ([Suomen Tiedeseura], 1871)

Actas de la Academia Nacional de Ciencias de la República Argentina en Córdoba - Academia Nacional de Ciencias en Córdoba. (La Academia, 1889)

Advanced biology - Fitzpatrick, Elizabeth T. (American Book Company, 1929)

Advanced text-book of zoology for the use of schools - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood and Sons, 1873)

The advancement of science. Occasional essays & addresses - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (Macmillan and co, 1890)

The advancement of science. Occasional essays & addresses - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (Macmillan, 1890)

Advances in the study of mammalian behavior - American Society of Mammalogists. (American Society of Mammalogists, 1983)

Adventures among wild beasts - Wright, Sidney Harry (J. B. Lippincott company, 1909)

The age of mammals in Europe, Asia and North America - Osborn, Henry Fairfield, 1857 -1935 (The Macmillan company, 1910)

The age of mammals in Europe, Asia and North America - Osborn, Henry Fairfield, 1857 -1935 (The Macmillan Company, 1910)

Agricultural zoology - Ainsworth-Davis, J. R. (James Richard), 1861 -1934 (Chapman & Hall, Ld, 1894)

Album der Natuur - Vries, Hugo de, 1848 -1935 (1858)

Album der Natuur - Vries, Hugo de, 1848 -1935 (1884)

Album der Natuur - Vries, Hugo de, 1848 -1935 (1883)

All the articles of the Darwin faith - Morris, F. O. (Francis Orpen), 1810 -1893 (W. Poole, 1877)

All the articles of the Darwin faith - Morris, F. O. (Francis Orpen), 1810 -1893 (W. Poole, 1882)

All the articles of the Darwin faith - Morris, F. O. (Francis Orpen), 1810 -1893 (Moffatt, Paige, 1875)

Allgemeine naturgeschichte, als Philosophische und Humanitätswissenschaft für Naturforscher, Philosophen und das Hoher gebildete Publikum - Perty, Maximilian, 1804 -1884 (C. Fischer, 1838)

Allgemeine naturgeschichte, als Philosophische und Humanitätswissenschaft für Naturforscher, Philosophen und das Hoher gebildete Publikum - Perty, Maximilian, 1804 -1884 (C. Fischer, 1841)

Allgemeine Naturgeschichte für alle Stände - Oken, Lorenz, 1779 -1851 (Hoffman'sche Verlags-Buchhandlung, 1838)

The American anatomical memoirs - Wistar Institute of Anatomy; Biology. (The Institute, 1938)

The American geologist - Winchell, N. H. 1839 -1914 (Geological Pub. Co. [etc.], 1897)

The American geologist - Winchell, N. H. 1839 -1914 (Geological Pub. Co. [etc.], 1905)

The American journal of anatomy - Wistar Institute of Anatomy; Biology. ([s.n.], 1902)

The American journal of anatomy - Wistar Institute of Anatomy; Biology. ([s.n.], 1906)

The American journal of anatomy - Wistar Institute of Anatomy; Biology. ([s.n.], 1911)

The American journal of anatomy - Wistar Institute of Anatomy; Biology. ([s.n.], 1920)

The American journal of science (J.D. & E.S. Dana, 1884)

The American journal of science (J.D. & E.S. Dana, 1885)

The American journal of science (J.D. & E.S. Dana, 1888)

The American journal of science (J.D. & E.S. Dana, 1899)

The American journal of science (J.D. & E.S. Dana, 1905)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1858)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1862)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1863)

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.], 1869)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1870)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1871)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1877)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1878)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1880)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1884)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1885)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1887)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1888)

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.], 1891)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1892)