Physis - Sociedad Argentina de Ciencias Naturales. (Asociación Argentina de Ciencias Naturales [etc.], 1918)

Plant health care for woody ornamentals : a professional's guide to preventing and managing environmental stresses and pests - International Society of Arboriculture. (Cooperative Extension Service, College of Agricultural, Consumer and Environmental Sciences, University of Illinois at Urbana-Champaign, 1997)

Pomona College journal of economic botany as applied to subtropical horticulture - Pomona College (Claremont, Calif.). Department of Biology. (Dept. of Biology of Pomona College, 1912)

Pomona College journal of entomology - Pomona College (Claremont, Calif.). Department of Biology. (Published under the patronage of Ontario-Cucamonga Citrus Association by the Dept. of Biology of Pomona College, 1910)

Pomona College journal of entomology - Pomona College (Claremont, Calif.). Department of Biology. (Published under the patronage of Ontario-Cucamonga Citrus Association by the Dept. of Biology of Pomona College, 1909)

Pomona College journal of entomology - Pomona College (Claremont, Calif.). Department of Biology. (Published under the patronage of Ontario-Cucamonga Citrus Association by the Dept. of Biology of Pomona College, 1911)

Populäre Naturgeschichte der drei Reiche - Jussieu, Adrien de, 1797 -1853 (Verlag von Scheible, Rieger & Sattler, 1845)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1973)

Practical zoölogy : an elementary text-book treating of the structure, life, history, and relations of animals - Davison, Alvin, 1868 -1915 (American Book Company, 1906)

Preparing insect displays - Canada. Department of Agriculture. (Canada Dept. of Agriculture, 1958)

Primae lineae systematis naturæ : nexui naturali omnium evolutionique progressivae per nixus reascendentes superstructi - Gori͡aninov, Pavel Fedorovich, 1796 -1865 (Typis Karoli Krajanis, 1834)

Principles of animal ecology - Allee, W. C. (Warder Clyde), 1885 -1955 (Saunders Co, 1949)

The principles of applied zoology - Wardle, Robert A. (Robert Arnold), 1890 -1974 (Longmans, Greem, and co, 1929)

Principles of economic zoölogy - Daugherty, L. S. (Lewis Sylvester) 1857 -1919 (W. B. Saunders Company, 1917)

Principles of economic zoölogy - Daugherty, L. S. (Lewis Sylvester) 1857 -1919 (W.B. Saunders, 1912)

Proceedings - Entomological Society of Canada (1863-1871) (Entomological Society of Ontario, 1900)

Proceedings - Northern Crop Science Laboratory (U.S.) (USDA, ARS, Northern Crop Science Laboratory)

Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1970)

Proceedings and transactions of the Royal Society of Canada. Délibérations et mémoires de la Société royale du Canada - Royal Society of Canada. (Société royale du Canada, 1916)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1935)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1938)

Proceedings of the Acadian Entomological Society - Acadian Entomological Society. (Acadian Entomological Society, 1921)

Proceedings of the Asiatic Society of Bengal - Asiatic Society of Bengal ([The Society], 1887)

Proceedings of the Asiatic Society of Bengal - Asiatic Society of Bengal ([The Society], 1892)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1928)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1960)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1884)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1936)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1937)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1918)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1927)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1952)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1955)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1956)

Proceedings of the Entomological Society of Ontario - Entomological Society of Ontario. (Entomological Society of Ontario, 1956)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1927)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1945)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1946)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1979)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1982)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1983)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1986)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1991)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1992)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1994)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1997)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1998)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2000)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2003)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2004)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1907)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1908)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1914)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1921)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1923)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1895)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1918)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1904)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1913)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1920)

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, 1922)

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 Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1926)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1931)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1932)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1979)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1986)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 2001)

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, 2010)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1954)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1888)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1890)

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, 1890)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1891)

Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1912)

Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1911)

Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1914)

Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1921)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1934)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1958)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1959)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1961)

Proceedings of the Royal Zoological Society of New South Wales - Royal Zoological Society of New South Wales. (The Society, 1957)

Proceedings of the Royal Zoological Society of New South Wales - Royal Zoological Society of New South Wales. (The Society, 1958)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1922)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1897)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1920)

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

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

Proceedings of the Zoological Society of London : an index to the artists, 1848-1900 - Johnson, Bryan R., 1956 - (Garland, 1986)

Proceedings, Symposium on Cheatgrass Invasion, Shrub Die-off and Other Aspects of Shrub Biology and Management : Las Vegas, NV, April 5-7, 1989 - Intermountain Research Station (Ogden, Utah) (Intermountain Research Station, Forest Service, U.S. Dept. of Agriculture, 1990)

The protection of pome fruits, 1979–March 1985 : citations from Agricola concerning diseases and other environmental considerations - National Agricultural Library (U.S.) (U.S. Dept. of Agriculture, National Agricultural Library, 1985)

The protection of pome fruits, March 1985-May 1992 : citations from AGRICOLA concerning diseases and other environmental considerations - National Agricultural Library (U.S.) (National Agricultural Library, 1992)

Protozoa - Bhatia, B. L. (Bihari Lal), 1884 -1941 (Taylor and Francis, 1936)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1874)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1877)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1880)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1888)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1893)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1891)