Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2005)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2006)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2007)

Proceedings of the Florida Academy of Sciences - Florida Academy of Sciences. (Rose Printing Co., etc, 1939)

Proceedings of the Fourteenth Southern Forest Tree Improvement Conference, Gainesville, Florida, June 14-16, 1977 - Squillace, A. E. (Distributed by Eastern Tree Seed Laboratory, 1977)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1927)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1928)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1930)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1944)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1965)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1998)

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 Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1918)

Proceedings of the seventeenth Southern Forest Tree Improvement Conference, June 6-9, 1983, University of Georgia, Athens, Georgia - University of Georgia. School of Forest Resources. (s.n, 1983)

Proceedings of the sixteenth Southern Forest Tree Improvement Conference : [held] May 27-28, 1981, Virginia Polytechnic Institute and State University, Blacksburg, Va - Southern Forest Tree Improvement Committee. (U.S. Forest Sciences Laboratory, 1981)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1919)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1926)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1932)

Proceedings of the Staten Island Association of Arts and Sciences - Staten Island Association of Arts; Sciences. (The Association, 1907)

Proceedings of the third International Symposium on Biological Control of Arthropods : Christchurch, New Zealand, February 8-13, 2009 - Mason, P G (USDA Forest service, 2009)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1942)

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.], 1948)

Proceedings of the workshop on biological control of pests in Canada, October 11-12, 1990, Calgary, Alberta - Alberta. Alberta Agriculture. (Alberta Environmental Centre, 1991)

Proceedings of the XIIIth Congress of Arachnology : Geneva, 3-8 September 1995 - Mahnert, Volker. ([s.n.], 1996)

Proceedings : Southern Forest Tree Improvement Conference - Southern Forest Experiment Station (New Orleans, La.) (Louisiana State University, Division of Continuing Education in cooperation with Southern Forest Experiment Station, USDA Forest Service, 1973)

Progress report - United States. Entomology Research Division. (1968)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1908)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1925)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1929)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1953)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1955)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1980)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1981)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2009)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2015)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1973)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1977)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1978)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1988)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1922)

Ranunculaceae (Crowfoot family) of New York State - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1982)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2005)

Reading Naturalist. Reading - Reading Natural History Society. (1959)

Reading Naturalist. Reading - Reading Natural History Society. (1964)

Reading Naturalist. Reading - Reading Natural History Society. (1989)

Reading Naturalist. Reading - Reading Natural History Society. (2010)

Reading Naturalist. Reading - Reading Natural History Society. (2011)

Reading Naturalist. Reading - Reading Natural History Society. (2012)

Reading Naturalist. Reading - Reading Natural History Society. (1978)

Record of my life-work in entomology - Osten-Sacken, C. R. (Carl Robert), 1828 -1906 (University Press; John Wilson and Son, 1903)

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1970)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1920)

Redescription of Archaeoscelio Brues and description of three new genera of Scelionidae (Hymenoptera) : a challenge to the definition of the family - Masner, Lubomir (American Museum of Natural History, 2007)

Regeneration of white spruce, with reference to interior Alaska : a literature review - Zasada, John C. (Pacific Northwest Forest and Range Experiment Station, Institute of Northern Forestry, U.S. Dept. of Agriculture, 1969)

Releases of beneficial organisms in the United States and territories, 1982 - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 1992)

Releases of beneficial organisms in the United States and territories, 1983 - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 1994)

Report of the State Entomologist on injurious and other insects of the state of New York - Felt, Ephraim Porter, 1868 -1943 (Weed, Parsons and Co.; University of the State of New York, 1902)

Report of the State Entomologist on injurious and other insects of the state of New York - Felt, Ephraim Porter, 1868 -1943 (Weed, Parsons and Co.; University of the State of New York, 1906)

Report of the State Entomologist on injurious and other insects of the state of New York - Felt, Ephraim Porter, 1868 -1943 (Weed, Parsons and Co.; University of the State of New York, 1907)

Report of the State Entomologist on injurious and other insects of the state of New York - Felt, Ephraim Porter, 1868 -1943 (Weed, Parsons and Co.; University of the State of New York, 1909)

Report of the State Entomologist on injurious and other insects of the state of New York - Felt, Ephraim Porter, 1868 -1943 (Weed, Parsons and Co.; University of the State of New York, 1913)

Report of the State Entomologist on injurious and other insects of the state of New York - Felt, Ephraim Porter, 1868 -1943 (Weed, Parsons and Co.; University of the State of New York, 1917)