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Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1890)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1891)

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Promenade au jardin zoologique d'Anvers - Gens, Eugène. (J.-E. Buschmann, 1861)

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The published writings of George Newbold Lawrence, 1844-1891 - Foster, Lyman Spalding. (Govt. Print. Off, 1892)

The published writings of Philip Lutley Sclater, 1844-1896 - Goode, G. Brown (George Brown), 1851 -1896 (Govt. Print. Off, 1896)

Quadro elementar da historia natural dos animaes - Cuvier, Georges, baron, 1769 -1832 (impresso por H. Bryer, 1815)

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Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2001)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2002)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2003)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2004)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2006)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2007)

Rapport de la Commission d'Exploration du plateau central du Bresil - Cruls, L. (1894)

Rapport sur une mission scientifique dans les jardins et établissements zoologiques publics et privés du Royaume-uni de la Belgique et des Pays-bas - Loisel, Gustave. (Imprimerie Nationale, 1908)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Chez Déterville, 1829)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Chez Déterville, 1830)

Recensio critica lepidopterorum Musei Ludovicae Ulricae quae descripsit Carolus A Linné - Linné, Carl von, 1707 -1778 (P.A. Norstedt & Söner, 1882)

Recherches anatomiques et paléontologiques pour servir à l'histoire des oiseaux fossiles de la France - Milne-Edwards, Alphonse, 1835 -1900 (Victor Masson, 1869)

Recherches sur l'hybridité animale en général et sur l'hybridité humaine en particulier, considérées dans leurs rapports avec la question de la pluralité des espèces humaines - Broca, Paul, 1824 -1880 (Impr. de J. Claye, 1860)

The Record of zoological literature (J. van Voorst, 1864)

The Record of zoological literature (J. van Voorst, 1868)

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Recueil d'observations de zoologie et d'anatomie comparée. Tome 1 / , faites dans l'Océan Atlantique, dans l'intérieur du Nouveau Continent et dans la Mer du Sud, pendant les années 1799, 1800, 1801, 1802 et 1803 ; Par Al. de Humboldt et A. Bonpland (1811)

Le règne animal distribué d'après son organisation : pour servir de base a l'histoire naturelle des animaux et d'introduction a l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Chez Déterville, 1817)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Louis Hauman et Comp, 1836)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Audouin, Jean Victor, 1797 -1841 (Fortin, Masson et cie, 1836)

Reise in Brasilien : auf Befehl Sr. Majestät Maximilian Joseph I., Königs von Baiern, in den Jahren 1817 bis 1820 gemacht und beschrieben - Spix, Johann Baptist von, 1781 -1826 (M. Lindauer, 1823)

Reise in Brasilien : auf Befehl Sr. Majestät Maximilian Joseph I., Königs von Baiern, in den Jahren 1817 bis 1820 gemacht und beschrieben - Spix, Johann Baptist von, 1781 -1826 (M. Lindauer, 1831)

Reise nach Brasilien in den Jahren 1815 bis 1817 - Wied, Maximilian, Prinz von, 1782 -1867 (Gedruckt und verlegt bey H.L. Brönner, 1820)

Reisen in Britisch-Guiana in den Jahren 1840-1844 : nebst einer Fauna und Flora Guiana's nach Vorlagen von Johannes Müller, Ehrenberg, Erichson, Klotzsch, Troschel, Cabanis und Andern - Ehrenberg, Christian Gottfried, 1795 -1876 (J. J. Weber, 1847)

Reisen in Britisch-Guiana in den Jahren 1840-1844 : nebst einer Fauna und Flora Guiana's nach Vorlagen von Johannes Müller, Ehrenberg, Erichson, Klotzsch, Troschel, Cabanis und Andern - Ehrenberg, Christian Gottfried, 1795 -1876 (J. J. Weber, 1848)

Reisen in den Vereinigten Staaten, Canada und Mexico - Müller, J. W. von Baron (Johann Wilhelm) 1824 -1866 (F.A. Brockhaus, 1865)

Reisen in den Vereinigten Staaten, Canada und Mexico - Müller, J. W. von Baron (Johann Wilhelm) 1824 -1866 (F.A. Brockhaus, 1864)

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Report of the Canterbury Philosophical and Literary Institution - Canterbury Philosophical; Literary Institution. (1827)

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Report of the (Free) Public Library, Museum (Liverpool) - Liverpool (England). Free Public Library. Museum (1879)

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Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1960)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1961)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1962)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1964)

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Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1908)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1910)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1914)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1858)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1853)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1915)

A reprint of the North American zoology, by George Ord. Being an exact reproduction of the part originally compiled by Mr. Ord for Johnson & Warner, and first published by them in their 2d American ed. of Guthrie's geography, in 1815. Taken - Ord, George, 1781 -1866 (Pub. by the editor, 1894)

Resa i Central-Amerika, 1881-1883 - Bovallius, Carl, 1844 -1907 (Carl Suneson, 1886)

Revised list of the vertebrated animals now or lately living in the gardens of the Zoological Society of London. Supplement containing additions received in 1872, 1873, and 1874 - Zoological Society of London. (For the Society, 1875)

Revised list of the vertebrated animals now or lately living in the gardens of the Zoological society of London. 1872 - Sclater, Philip Lutley, 1829 -1913 (Printed for the Society, 1872)

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Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1898)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1900)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1907)

Revista do Museu Paulista - Museu Paulista (O Museu, 1936)

Revista do Museu Paulista - Museu Paulista (O Museu, 1937)

Revista do Museu Paulista - Museu Paulista (O Museu, 1938)