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1988 IUCN red list of threatened animals (1988)

1994 IUCN red list of threatened animals (1994)

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Abhandlungen der physikalischen Klasse der Königlich-Preussischen Akademie der Wissenschaften - Königlich Preussische Akademie der Wissenschaften zu Berlin (Realschul-Buchhandlung, 1816)

Acta Physico-Medica Academiae Caesareae Leopoldino-Carolinae - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (1754)

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

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Adventures of a young naturalist - Biart, Lucien, 1828 -1897 (S. Low, Son, & Marston, 1870)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1969)

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

Album der Natuur - Vries, Hugo de, 1848 -1935 (1865)

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 Gartenzeitung - Otto, Friedrich, 1783 -1856 (1836)

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, 1837)

Allgemeine Naturgeschichte für alle Stände - Oken, Lorenz, 1779 -1851 (Hoffman'sche Verlags-Buchhandlung, 1842)

Allgemeine Naturgeschichte für alle Stände - Oken, Lorenz, 1779 -1851 (Hoffman'sche Verlags-Buchhandlung, 1843)

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

The Amazon and Madeira rivers; sketches and descriptions from the note-book of an explorer - Keller, Franz, 1835 -1890 (J.B. Lippincott and co, 1875)

America : being the latest, and most accurate description of the New World : containing the original of the inhabitants, and the remarkable voyages thither : the conquest of the vast empires of Mexico and Peru, and other large provinces and territories, with the several European plantations in those parts : also their cities, fortresses, towns, temples, mountains, and rivers : their habits, customs, manners, and religions : their plants, beasts, birds, and serpents : with an appendix containing, besides several other considerable additions, a brief survey of what hath been discover'd of the unknown south-land and the Arctick region - Ogilby, John, 1600 -1676 (Printed by the author, 1671)

American agriculturist (Orange Judd Co., Publishers [etc.], 1935)

American agriculturist (Orange Judd Co., Publishers [etc.], 1936)

American agriculturist (Orange Judd Co., Publishers [etc.], 1957)

The American fowl-breeder (J. P. Jewett and company, 1850)

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American ornithology, or, The natural history of the birds of the United States : illustrated with plates engraved and colored from original drawings taken from nature - Ord, George, 1781 -1866 (Published by Bradford and Inskeep, Printed by Robert Carr, 1808)

American ornithology; or, The natural history of the birds of the United States... By ALexander Wilson. With a sketch of the author's life, by George Ord, F. L. S. & c - Ord, George, 1781 -1866 (Harrison Hall, 1828)

American ornithology, or, The natural history of the birds of the United States - Ord, George, 1781 -1866 (Whittaker, Treacher & Arnot, 1832)

American ornithology, with notes by Jardine. To which is added a synopsis of American birds, including those described by Bonaparte, Audubon, Nuttall, and Richardson, by T.M. Brewer - Brewer, T. M. (Thomas Mayo), 1814 -1880 (H.S. Samuels, 1853)

The American poulterer's companion. A practical treatise on the breeding, rearing, and general management of various species of domestic poultry ... - Bement, C. N. (Caleb N.), 1790 -1868 (Harper & brothers, 1856)

The American poulterer's companion. A practical treatise on the breeding, rearing, and general management of various species of domestic poultry ... - Bement, C. N. (Caleb N.), 1790 -1868 (Harper & brothers, 1878)

The American poulterer's companion. A practical treatise on the breeding, rearing, and general management of the various species of domestic poultry - Bement, C. N. (Caleb N.), 1790 -1868 (Harper and brothers, 1856)

The American poulterer's companion. A practical treatise on the breeding, rearing, and general management of the various species of domestic poultry - Bement, C. N. (Caleb N.), 1790 -1868 (Harper & brothers, 1867)

Anales científicos paraguayos - Bertoni, Moisés S. (1916)

Anales científicos paraguayos - Bertoni, Moisés S. (1921)

Anales científicos paraguayos - Bertoni, Moisés S. (1901)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1896)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1913)

Anales de la Universidad Central del Ecuador - Universidad Central del Ecuador. (Imp. de la Universidad Central, 1894)

Anales del Instituto Médico Nacional - Instituto Médico Nacional (Mexico) (1896)

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Anales del Museo Nacional de México - Museo Nacional de México. (El Museo, 1877)

Analyse de la nature : or, Tableau de l'univers et des corps organisés - Rafinesque, C. S. (Constantine Samuel), 1783 -1840 (Aux dépens de l'auteur, 1815)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1908)

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Anfangsgründe der Naturgeschichte - Leske, Nathanael Gottfried, 1751 -1786 (Bei Siegfried Lebrecht Crusius, 1784)

Anfangsgründe der theoretischen und angewandten Naturgeschichte der Thiere - Stejneger, Leonhard, 1851 -1943 (in der Weidmannischen Buchhandlung, 1800)

Anfangsgründe der theoretischen und angewandten Naturgeschichte der Thiere - Stejneger, Leonhard, 1851 -1943 (in der Weidmannischen Buchhandlung, 1801)

The animal creation : a popular introduction to zoology - Jones, Thomas Rymer, 1810 -1880 (Society for Promoting Christian Knowledge, 1886)

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Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1987)

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)

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)

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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 (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 (H.G. Bohn, 1863)

The animal kingdom : arranged in conformity with its organization - Gray, John Edward 1800 -1875 (Printed for G.B. Whittaker, 1827)

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, 1831)

The animal kingdom, or zoological system, of the celebrated Sir Charles Linnæus. containing a complete systematic description, arrangement, and nomenclature, of all the known species and varieties of the mammalia, or animals which give suck to their young. Class I, Mammalia - Gmelin, Johann Friedrich, 1748 -1804 (Printed for A. Strahan, and T. Cadell, London, and W. Creech, Edinburgh, 1792)

Los animales domesticos de la America precolombiana - Latcham, Ricardo E. (Ricardo Eduardo), 1869 -1943 (Impr. Cervantes, 1922)

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Animate creation; popular edition of "Our Living World" a natural history - Brehm, Alfred Edmund, 1829 -1884 (S. Hess, 1898)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1888)

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

Annales des sciences naturelles. Zoologie - Audouin, Jean Victor, 1797 -1841 (Crochard, 1857)

Annales des sciences naturelles. Zoologie - Audouin, Jean Victor, 1797 -1841 (Crochard, 1879)

Annales des sciences naturelles. Zoologie - Audouin, Jean Victor, 1797 -1841 (Crochard, 1891)

Annales des sciences naturelles. Zoologie - Audouin, Jean Victor, 1797 -1841 (Crochard, 1895)

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, 1916)

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, 1970)