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, 1921)

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

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1895)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1935)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1969)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1978)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1989)

Proceedings of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences, 1901)

Proceedings : Salt Marsh Conference held at the Marine Institute of the University of Georgia, Sapelo Island, Georgia ; March 25-28, 1958 - Ragotzkie, Robert A. (Marine Institute, University of Georgia, 1959)

Procès-verbaux - Société Linnéenne de Bordeaux. (1929)

Prodrome de la flore algologique des Indes Néerlandaises (Indes Néerlandaises et parties des territoires de Bornéo et de la Papuasie non Hollandaises) : supplement et tableaux statistiques - Wildeman, E. de (Emile), 1866 -1947 (Jardin botanique de Buitenzorg, 1899)

Prodrome de la flore algologique des Indes Néerlandaises (Indes Néerlandaises et parties des territoires de Bornéo et de la Papuasie non Hollandaises) - Wildeman, E. de (Emile), 1866 -1947 (Jardin botanique de Buitenzorg, 1897)

Prodrome de la flore Belge - De Wildeman, Emile 1866 -1947 (Alfred Castaigne, 1898)

Prodrome de la flore Belge - De Wildeman, Emile 1866 -1947 (Alfred Castaigne, 1899)

Prodrome de la flore belge - Wildeman, E. de (Emile), 1866 -1947 (A. Castaigne, 1898)

Prof. dr. Thomé's Flora von Deutschland, Österreich und der Schweiz, in wort und bild, für schule und haus ... mit ... - Migula, W. (Walter), 1863 -1938 (1907)

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Protozoology - Kudo, Richard R. (Richard Roksabro), 1886 -1967 (C. C. Thomas, 1954)

Protozoology - Kudo, Richard R. (Richard Roksabro), 1886 -1967 (C.C. Thomas, 1946)

Protozoology - Kudo, Richard R. (Richard Roksabro), 1886 -1967 (Thomas, 1939)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1985)

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Publicaciones del Departamento de Zoología - Universidad de Barcelona. Departamento de Zoología. (Ediciones de la Universidad de Barcelona, 1981)

Publicaciones del Departamento de Zoología - Universidad de Barcelona. Departamento de Zoología. (Ediciones de la Universidad de Barcelona, 1982)

Publicaciones del Departamento de Zoología - Universidad de Barcelona. Departamento de Zoología. (Ediciones de la Universidad de Barcelona, 1985)

Publicaciones del Departamento de Zoología - Universidad de Barcelona. Departamento de Zoología. (Ediciones de la Universidad de Barcelona, 1988)

Publication. Field Museum of Natural History Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1939)

Publication. Field Museum of Natural History Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1942)

Publication. Field Museum of Natural History Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1943)

Publications - Ontario Fisheries Research Laboratory. (University of Toronto Press, 1922)

Publications in botany - National Museum of Natural Sciences (Canada) (The Museum, 1973)

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qing zang zi ran di li zi liao - Xu, Jinzhi 徐近之 (ke xue chu ban she)

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Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1983)

A quantitative and statistical study of the plankton of the San Joaquin River and its tributaries in and near Stockton, California, in 1913 - Allen, Winfred Emory, 1873 -1947 (University of California Press, 1920)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1853)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1854)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1855)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1856)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1857)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1861)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1863)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1864)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1865)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1867)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1868)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1874)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1875)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1878)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1884)

The Quarterly journal of science (J. Churchill and Sons, etc, 1866)

The Quarterly journal of science (J. Churchill and Sons, etc, 1868)

The Quarterly journal of science (J. Churchill and Sons, etc, 1873)

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

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1948)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1950)

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, 1954)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1956)

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, 1970)

Quarterly report March-May 1975 for Rio Blanco Oil Shale Project : aquatic baseline studies - Gulf Oil Corporation. (NUS Corporation, Ecological Sciences Division, 1975)

The Queensland Naturalist - Queensland Naturalists' Club. (Queensland Naturalists' Club], 1956)

Raboty Volzhskoĭ biologicheskoĭ stant͡sii = Arbeiten der Biologischen Wolga-Station - Volzhskai͡a biologicheskai͡a stant͡sii͡a (Stant͡sii͡a, 1912)

Radiation biology - Hollaender, Alexander, 1898 - (McGraw-Hill, 1954)

Rambles in search of flowerless plants - Plues, Margaret (Journal of horticulture & cottage gardener office; [etc., etc.], 1864)

Rambles of a naturalist on the shores and waters of the China Sea : being observations in natural history during a voyage to China, Formosa, Borneo, Singapore, etc., made in Her Majesty's vessels in 1866 and 1867 - Collingwood, Cuthbert, 1826 -1908 (J. Murray, 1868)

Realizing nature's potential : proceedings of the William L. Brown Symposium honoring Dr. Gordon Cragg - Miller, James Stuart, 1953 - (Missouri Botanical Garden, 2011)

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Recreative Science (1860)

Recueil de l'Institut botanique (Université de Bruxelles) - Institut botanique Léo Errera. (Henri Lamertin, 1902)