Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1968)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1967)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1969)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1988)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1995)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2006)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2017)

Proceedings of the Cotteswold Naturalists' Field Club - Cotteswold Naturalists' Field Club. (1847)

Proceedings of the Delaware County Institute of Science - Delaware County Institute of Science. (The Institute, 1911)

Proceedings of the ... Eastern Native Grass Symposium - United States. Natural Resources Conservation Service. (Agricultural Research Service, Natural Resources Conservation Service, 1997)

Proceedings of the Essex Institute - Essex Institute. (Essex Institute Press, 1856)

Proceedings of the Geological Society of London - Geological Society of America. (The Society, 1842)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1891)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1912)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1890)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1900)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1921)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1929)

Proceedings of the Lyceum of Natural History in the City of New York - Lyceum of Natural History (New York, N.Y.) (The Society, 1870)

Proceedings of the Manchester Institute of Arts and Sciences - Manchester Institute of Arts; Sciences. (The Institute, 1900)

Proceedings of the National Academy of Sciences of the United States of America - National Academy of Sciences (U.S.) (National Academy of Sciences [etc.], 1917)

Proceedings of the National Academy of Sciences of the United States of America - National Academy of Sciences (U.S.) (National Academy of Sciences [etc.], 1921)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1872)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1892)

Proceedings of the Royal Society of London. Series B, Containing papers of a Biological character - Royal Society (Great Britain) (Printed for the Royal Society and sold by Harrison & Sons, 1908)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1875)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1874)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1889)

Proceedings of the Society for Experimental Biology and Medicine - Society for Experimental Biology; Medicine (New York, N.Y.) ([Society for Experimental Biology and Medicine], 1905)

Proceedings of the Society for Experimental Biology and Medicine - Society for Experimental Biology; Medicine (New York, N.Y.) ([Society for Experimental Biology and Medicine], 1912)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1928)

Proceedings of the third Prairie Conservation and Endangered Species Workshop : February 1992 at Brandon University, Brandon, Manitoba - Provincial Museum of Alberta. (Curatorial Section, Provincial Museum of Alberta, 1992)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1886)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1887)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1890)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1891)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1892)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1894)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1903)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1911)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1915)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1921)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1926)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1944)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1966)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1838)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1849)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1858)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1860)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1865)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1873)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1879)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1882)

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.], 1892)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1895)

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.], 1905)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1833)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1906)

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.], 1915)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1919)

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

Prodrome d'une iconographie descriptive des ophidiens et description sommaire de nouvelles espèces de serpents venimeux - Jan, G. (Giorgio), 1791 -1866 (Imprimerie de Mme. Ve. Bouchard-Huzard, 1859)

Prodrome de la classification des reptiles ophidiens : mémoire lu dans la séance du 2 novembre 1852 - Duméril, C. (Constant), 1774 -1860 (Didot Frères, 1853)

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

Protozoa ... - Bhatia, B. L. (Bihari Lal), 1884 -1941 (Taylor and Francis, 1938)

Protozoology - Hall, Richard P. (Richard Pinkham), 1900 -1969 (Prentice-Hall, 1953)

Provincial Museum of Natural History and Enthnology - British Columbia Provincial Museum. (Printed by Richard Wolfenden, 1909)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1986)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2010)

Ptomaïnes, leucomaïnes, and bacterial proteids; or, The chemical factors in the causation of disease - Novy, Frederick G. (Frederick George), 1864 -1957 (Lea, 1891)

Ptomaïnes and leucomaïnes, and bacterial proteids: or the chemical factors in the causation of disease - Novy, Frederick G. (Frederick George), 1864 -1957 (Lea brothers & co, 1891)

Ptomaïnes, leucomaïnes, and bacterial proteids: or, The chemical factors in the causation of disease - Novy, Frederick G. (Frederick George), 1864 -1957 (Lea brothers, 1891)

Publicações Avulsas do Museu Paraense Emílio Goeldi (Museu Paraense Emílio Goeldi, 1985)

Publication. Field Columbian Museum. Zoological series - Field Museum of Natural History. (The Museum, 1905)

Publication. Field Museum of Natural History. Anthropological series - Field Museum of Natural History. (The Museum, 1930)

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

Quantitative laws in biological chemistry - Arrhenius, Svante, 1859 -1927 (G. Bell, 1915)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1877)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1900)

The Quarterly journal of science (J. Churchill and Sons, etc, 1878)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1952)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1953)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1955)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1957)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1958)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1960)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1962)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1963)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1964)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1966)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1857)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1877)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1897)

Random notes on natural history (Southwick & Jencks, 1885)