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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, 2000)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 2002)

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

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

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The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1887)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1897)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1905)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1906)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1915)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1916)

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Proceedings of the Seventh Southern Conference on Forest Tree Improvement, June 26-27, 1963, Gulfport, Mississippi - Southern Forest Experiment Station (New Orleans, La.) (Published by the Southern Forest Experiment Station, Forest Service, U.S. Department of Agriculture, 1963)

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Proceedings of the tenth Southern Conference on Forest Tree Improvement : Houston, Texas, June 17-19, 1969 - Tennessee Valley Authority. Division of Forestry Development. (Eastern Tree Seed Laboratory, 1969)

Proceedings of the third southern conference on forest tree improvement held at New Orleans, Louisiana, January 5 and 6, 1955 - Southern Forest Tree Improvement Committee. (U.S. Dept. of Agriculture, 1955)

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Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1916)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1917)

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.], 1924)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1930)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1931)

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 United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1954)

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

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1967)

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Proceedings-Symposium on Plant-Herbivore Interactions : Snowbird, Utah, August 7-9, 1985 - Intermountain Research Station (Ogden, Utah) (Intermountain Research Station, Forest Service, U.S. Dept. of Agriculture, 1987)

Proceedings–Symposium on Shrub Ecophysiology and Biotechnology, Logan, Utah, June 30-July 2, 1987 - Intermountain Research Station (Ogden, Utah) (Intermountain Research Station, Forest Service, U.S. Dept. of Agriculture, 1989)

Proceedings : Symposium on the Biology of Artemisia and Chrysothamnus : Provo, Utah, July 9-13, 1984 - Intermountain Research Station (Ogden, Utah) (Intermountain Research Station, Forest Service, U.S. Dept. of Agriculture, 1986)

Proceedings, Western Forest [sic] Nursery Council-Intermountain Nurseryman's Association combined meeting, August 14-16, 1984, Coeur d'Alene, Idaho - Landis, Thomas D. (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1985)

Production and product recovery for complete tree utilization in the northern Rockies - Intermountain Forest; Range Experiment Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1983)

Production and utilization of herbaceous plants in small clearcuts in an Arizona mixed conifer forest - United States. Forest Service. (USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1989)

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Production of lumber, lath, and shingles in 1916 - Smith, Franklin H. (Franklin Howard), 1877 - (U.S. Dept. of Agriculture, 1918)

Production of lumber, lath, and shingles in 1917 - Smith, Franklin H. (Franklin Howard), 1877 - (U.S. Dept. of Agriculture, 1919)

Production of lumber, lath, and shingles in 1918 - Smith, Franklin H. (Franklin Howard), 1877 - (U.S. Dept. of Agriculture, 1920)

Productivity of America's forests and climate change - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1995)

Profile models for estimating log end diameters in the Rocky Mountain Region - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1989)

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Properties of tree barks in relation to their agricultural utilization - Bollen, W. B. (Walter Beno), 1896 -1989 (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1969)

Proposed regulations by the Animal and Plant Health Inspection Service to establish prohibitions and restrictions concerning imported nonmanufactured wood articles : hearing before the Subcommittee on Specialty Crops and Natural Resources of the Committee on Agriculture, House of Representatives, One Hundred Third Congress, second session, June 29, 1994 - United States. Congress. House. Committee on Agriculture. (U.S. G.P.O, 1995)

Proposed resource management plan and final environmental impact statement for public lands administered by the Bureau of Land Management Rawlins Field Office, Rawlins, Wyoming - United States. Environmental Protection Agency. (U.S. Department of the Interior, Bureau of Land Management, Rawlins Field Office, 2008)

Le propriétaire-planteur; semer et planter traité pratique et économique des reboisements et des plantations des parcs et jardins - Cannon, David (L. Laveur, 1906)

Protecting and enhancing America's forests and rangelands : 1986 research accomplishments - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, 1987)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1888)

Provisional tree and shrub seed zones for the Great Plains - Cunningham, Richard A. (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1975)

Pseudoscorpions of the family Cheliferidae from New Mexico - Hoff, C. Clayton (Clarence Clayton), 1908 - (American Museum of Natural History, 1956)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1875)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1974)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1975)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1978)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2012)

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qu shi fen xi ji qi zai sheng tai gu shi zhong de ying yong - Bai, Tugjayzhab Jay. (min zu chu ban she, 2006)