1994 IUCN red list of threatened animals (1994)

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Album der Natuur - Vries, Hugo de, 1848 -1935 (1869)

Allgemeine naturgeschichte, als Philosophische und Humanitätswissenschaft für Naturforscher, Philosophen und das Hoher gebildete Publikum - Perty, Maximilian, 1804 -1884 (C. Fischer, 1846)

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American animals; a popular guide to the mammals of North America north of Mexico, with intimate biographies of the more familiar species - Stone, Witmer. 1866 -1939 (Doubleday, Page & Co, 1902)

American animals; a popular guide to the mammals of North American north of Mexico, with intimate biographies of the more familiar species - Stone, Witmer. 1866 -1939 (Doubleday, Page & co, 1913)

American animals; a popular guide to the mammals of North America north of Mexico, with intimate biographies of the more familiar species - Stone, Witmer. 1866 -1939 (Doubleday, Page & Co, 1905)

American animals a popular guide to the mammals of North America, north of Mexico, with intimate biographies of the more familiar species - Stone, Witmer. 1866 -1939 (W. Briggs, 1902)

American animals : a popular guide to the mammals of North America north of Mexico, with intimate biographies of the more familiar species - Stone, Witmer. 1866 -1939 (Doubleday, Page, 1917)

American animals: a popular guide to the mammals of North America north of Mexico, with intimate biographies of the more familiar species - Stone, Witmer. 1866 -1939 (Doubleday, Page & Co, 1904)

American animals; a popular guide to the mammals of North America north of Mexico, with intimate biographies of the more familiar species - Stone, Witmer. 1866 -1939 (Doubleday, Page, 1922)

American animals; a popular guide to the mammals of North America north of Mexico, with intimate biographies of the more familiar species - Stone, Witmer. 1866 -1939 (Doubleday, Page & Company,, 1920)

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Animal parasites and messmates - Beneden, P.-J. van (Pierre Joseph), 1809 -1894 (Kegan Paul, Trench, 1883)

Animal parasites and messmates - Beneden, P.-J. van (Pierre Joseph), 1809 -1894 (K. Paul, Trench, 1889)

Animal parasites and messmates - Beneden, P.-J. van (Pierre Joseph), 1809 -1894 (D. Appleton and Company, 1876)

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

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

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Annales des sciences naturelles - Audouin, Jean Victor, 1797 -1841 (Béchet Jeune, 1829)

Annales des sciences naturelles Zoologie - Audouin, Jean Victor, 1797 -1841 (Crochard, 1850)

Annales des sciences naturelles Zoologie - Audouin, Jean Victor, 1797 -1841 (Crochard, 1851)

Annales des sciences naturelles Zoologie - Audouin, Jean Victor, 1797 -1841 (Crochard, 1853)

Annales des sciences naturelles Zoologie - Audouin, Jean Victor, 1797 -1841 (Crochard, 1861)

Annales des sciences naturelles Zoologie - Audouin, Jean Victor, 1797 -1841 (Crochard, 1867)

Annales des sciences naturelles Zoologie - Audouin, Jean Victor, 1797 -1841 (Crochard, 1892)

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