Paleontological research - Nihon Koseibutsu Gakkai (Palaeontological Society of Japan, 2002)

Paleontological research - Nihon Koseibutsu Gakkai (Palaeontological Society of Japan, 2001)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1955)

Phylogenetic studies of North American minnows : with emphasis on the genus Cyprinella (Teleostei, Cypriniformes) - Mayden, Richard L. (University of Kansas, 1989)

Phylogenetic systematics, biochronology, and paleobiology of late neogene horses (family Equidae) of the Gulf Coastal Plain and the Great Plains - Hulbert, Richard Charles, Jr., 1955 - (1987)

Phytoneuron (Guy L. Nesom, 2015)

The pineal organ; the comparative anatomy of median and lateral eyes, with special reference to the origin of the pineal body; and a description of the human pineal organ considered from the clinical and surgical standpoints - Gladstone, Reginald John, 1865 - (Williams & Wilkins, 1940)

Pleistocene mammals and paleoecology of the western Amazon - Rancy, Alceu, 1949 - (1991)

Population studies of marine animals in Bolinas Lagoon - Chan, Gordon L. (College of Marin, 1967)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1950)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1966)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1967)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1968)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1970)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1971)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1972)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1976)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1980)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1982)

Principles of modern biology - Marsland, Douglas, 1899 - (Holt, Rinehart and Winston, 1899)

Proceedings : National Wilderness Research Conference, current research, Fort Collins, CO, July 23-26, 1985 - Intermountain Research Station (Ogden, Utah) (Intermountain Research Station, 1986)

Proceedings of the 6th International Conference on Coelenterate Biology : the Leeuwenhorst, Noordwijkerhout, the Netherlands, 16-21 July 1995 - Ofwegen, L. P. van (Leendert P.), 1953 - (Nationaal Natuurhistorisch Museum, 1997)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1977)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1981)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1982)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1984)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1986)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1987)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1988)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1989)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1990)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1991)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1992)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1993)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1994)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1995)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1996)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1997)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1998)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1999)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 2000)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 2001)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 2002)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 2003)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 2004)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1939)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1970)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1979)

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, 1987)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1989)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1991)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1992)

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, 1999)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2001)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2003)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2004)

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, 2008)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2009)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2010)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1972)

Proceedings of the International Billfish Symposium, Kailua-Kona, Hawaii, 9-12 August 1972 - United States. National Marine Fisheries Service. (National Marine Fisheries Service, 1974)

Proceedings of the International Ornithological Congress (Australian Academy of Science [etc.], 1980)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1941)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1952)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1971)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1983)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 2005)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 2009)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 2010)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 2011)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 2013)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 2017)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 2020)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1985)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1986)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 2003)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 2008)