Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1898)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1899)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1900)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1901)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1902)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1911)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1913)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1861)

Programa de un curso de zoologia - Dugès, Alfredo (Imprenta del Estado a cargo de Justo Palencia, 1878)

Protected native birds of South Australia - Duffield, Thomas (Rogers, 1910)

The Prothonotary - Buffalo Ornithological Society. (Buffalo Ornithological Society, 1942)

Protozoan parasites of domestic animals and of man - Levine, Norman D. (Burgess Pub. Co, 1961)

Provisional check list of birds of East Africa and Uganda - Van Someren, Victor Gurner Logan, 1886 -1976 ([East Africa and Uganda Natural History Society], 1917)

Ptaki - Lemberg. Muzeum imienia Dzieduszyckich. (Z I Zwiazkowij drukarni, 1880)

Publicações Avulsas do Museu Paraense Emílio Goeldi (Museu Paraense Emílio Goeldi, 1974)

[Publications] - Bureau of Government Laboratories - Philippines. Bureau of Government Laboratories. (Bureau of Public Printing, 1906)

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

qing zang gao yuan yan jiu heng duan shan kao cha zhuan ji 2 - Zhongguo ke xue yuan. Qing zang gao yuan zong he ke xue kao cha dui (bei jing ke xue ji shu chu ban she, 1986)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1945)

The Queensland Naturalist - Queensland Naturalists' Club. (Queensland Naturalists' Club], 1934)

The raptorial birds of Iowa - Bailey, Bert Heald, 1875 -1917 (Iowa Geological Survey, 1918)

Recensio avium in academici liberi baronis de Mueller ornithologico museo stuttgardiano collectarum - Calwer, C. G. (Carl Gustav), 1821 -1874 (Officinae Regiae, 1854)

Recherches anatomiques, histologiques et embryologiques sur l'appareil gastrique des oiseaux - Cazin, Maurice (G. Masson, 1888)

Recherches sur la faune de Madagascar et de ses dépendances - Hoffmann, C. K. 1841 -1903 (J.K. Steenhoff, 1868)

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

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2010)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1942)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1986)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 2003)

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 der österreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. von Wüllerstorf-Urbair - Österreichische Akademie der Wissenschaften. (Kaiserlich-Königliche Hof- und Staatsdruckerei; in Commission bei K. Gerold's Sohn, 1869)

Reise der österreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. von Wüllerstorf-Urbair - Österreichische Akademie der Wissenschaften. (Kaiserlich-Königliche Hof- und Staatsdruckerei; in Commission bei K. Gerold's Sohn, 1865)

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

Reisen im Süden von Ost-Sibirien in den Jahren 1855-1859, incl - Geograficheskoe obshchestvo SSSR (Buchdruckerei der K. Akademie der Wissenschaften, 1863)

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)

Remarques sur l'ornithologie de l'État indépendant du Congo : suivies d'une liste des espèces recueillies jusqu'ici dans cet état - Dubois, Alphonse, 1839 -1921. ([s.n, 1905)

Report for the year - British Columbia Provincial Museum - British Columbia Provincial Museum. (Printed by A. Sutton [etc.], for the Queen, 1919)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1838)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1840)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1846)

Report of the Central Park Menagerie - Central Park Menagerie (New York, N.Y.) (Central Park Menagerie, 1890)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1889)

Report of the Secretary of the Smithsonian Institution ... - Smithsonian Institution (Smithsonian Institution], 1912)

Report of the Secretary of the Smithsonian Institution ... - Smithsonian Institution (Smithsonian Institution], 1915)

Report of the Secretary of the Smithsonian Institution ... - Smithsonian Institution (Smithsonian Institution], 1921)

Report of the Secretary of the Smithsonian Institution ... - Smithsonian Institution (Smithsonian Institution], 1928)

Report of the Secretary of the Smithsonian Institution ... - Smithsonian Institution (Smithsonian Institution], 1929)

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, 1933)

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, 1948)

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, 1953)

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, 1958)

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, 1959)

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 state zoölogist - Herrick, C. L. (Clarence Luther), 1858 -1904 (1892)

Report on a zoological mission to India in 1913 - Flower, Stanley Smyth (Ministry of Public Works, Egypt, Zoological Service, 1914)

Report on the birds of Pennsylvania. With special reference to the food-habits, based on over three thousand stomach examinations - Pennsylvania. Ornithologist. (E.K. Meyers, State Printer, 1888)

Report on the birds of Pennsylvania. With special reference to the food-habits, based on over four thousand stomach examinations - Pennsylvania. Ornithologist. (E. K. Meyers, state printer, 1890)

Report on the birds of Pennsylvania : with special reference to the food habits, based on over four thousand stomach examinations - Warren, Benjamin Harry, 1858 -1926 (E.K. Meyers, State Printer, 1890)

Report on the birds of Pennsylvania : with special reference to the food habits, based on over three thousand stomach examinations - Pennsylvania. Ornithologist. (E.K. Meyers, State Printer, 1888)

Report on the birds of Pennsylvania; with special reference to the food habits, based on over four thousand stomach examinations - Pennsylvania. Ornithologist. (E.K. Meyers, State Printer, 1890)

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, 1912)

Report on the work of the Horn Scientific Expedition to Central Australia - Horn, William Austin, 1841 -1922 (Dulau, 1896)

Report on the zoological collections made in the Indo-Pacific Ocean during the voyage of H.M.S. 'Alert' 1881-2 - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1884)

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, 1903)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1912)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1904)

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)

Researches about atmospheric phenomena - Forster, T. (Thomas), 1789 -1860 (Printed for Harding, Mavor, and Lepard, 1823)

Resultate der Wissenschaftlichen Erforschung des Balatonsees - Hungary. Földmm̋uvelésügyi Minisztérium. (E. Hölzel, 1897)

A revised catalogue of the birds of China and its islands, with descriptions of new species, references to former notes, and occasional remarks - Swinhoe, Robert, 1836 -1877 (1871)

A revised catalogue of the birds of Kansas : with descriptive notes of the nests and eggs of the birds known to breed in the state - Goss, N. S. (Nathaniel S.) (Kansas Publishing House, 1886)

A revised catalogue of the birds of Kansas. With descriptive notes of the nests and eggs of the birds known to breed in the state - Goss, N. S. (Nathaniel S.) (Kansas Publishing House, 1886)

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)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1911)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1918)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1923)

Revista del Museo de La Plata - Universidad Nacional de La Plata. (Talleres del Museo de La Plata, 1895)

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

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

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

Revue critique de l'Ornithologie Européenne de M. De Selys Longchamps - Bonaparte, Charles-Lucien, 1803 -1857 (1850)

Revue critique des oiseaux d'Europe - Schlegel, H. (Hermann), 1804 -1884 (A. Arnz et comp.; [etc., etc.], 1844)

Revue d'histoire naturelle appliquée. Deuxième partie. l'Oiseau - Société nationale d'acclimatation de France (Société nationale d'acclimatation de France, 1922)

Revue des sciences naturelles appliquées - Société nationale d'acclimatation de France (La Société, 1892)

Revue des sciences naturelles appliquées - Société nationale d'acclimatation de France (La Société, 1894)

Revue des sciences naturelles de l'ouest - Institut international de bibliographie scientifique. (Revue des sciences naturelles de l'ouest, 1893)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1893)

Revue et magasin de zoologie pure et appliquée - Société Cuvierienne. (Bureau de la Revue et Magasin de Zoologie, 1851)

Revue et magasin de zoologie pure et appliquée - Société Cuvierienne. (Bureau de la Revue et Magasin de Zoologie, 1865)

Revue française d'ornithologie - Société ornithologique et mammalogique de France. (L. Denise, 1909)

Revue française d'ornithologie - Société ornithologique et mammalogique de France. (L. Denise, 1911)

Revue française d'ornithologie - Société ornithologique et mammalogique de France. (L. Denise, 1915)

Revue française d'ornithologie - Société ornithologique et mammalogique de France. (L. Denise, 1919)

Revue méthodique et critique des collections déposées dans cet établissement - Rijksmuseum van Natuurlijke Historie te Leiden. (Rijksmuseum van Natuurlijke Historie, 1863)

Revue méthodique et critique des collections déposées dans cet établissement - Rijksmuseum van Natuurlijke Historie te Leiden. (Rijksmuseum van Natuurlijke Historie, 1880)

Revue méthodique et critique des collections déposées dans cet établissement - Rijksmuseum van Natuurlijke Historie te Leiden. (Rijksmuseum van Natuurlijke Historie, 1898)