Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1899)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1901)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1906)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1916)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1884)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1889)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1903)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1905)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1913)

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.], 1928)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1929)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1934)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1944)

Proceedings of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences, 1904)

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

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1877)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1895)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1897)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1898)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1900)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1915)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1871)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1891)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1901)

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

Procès-verbaux - Société Linnéenne de Bordeaux. (1901)

Program and abstracts, Beltsville Symposium XVIII : Pest management : biologically based technologies : May 2-6, 1993 - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 1993)

Progress report - Center for Medical, Agricultural; Veterinary Entomology (U.S.) (The Center, 1999)

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

Progress report - Center for Medical, Agricultural; Veterinary Entomology (U.S.) (The Center, 1995)

Progress report on pesticides and related activities - United States. Department of Agriculture. (1967)

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

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

Protozoa in biological research - Calkins, Gary N. (Gary Nathan), 1869 -1943 (Columbia University Press, 1941)

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, 1878)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1890)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1896)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1897)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1899)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1900)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1905)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1907)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1911)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1919)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1927)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1934)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1935)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1945)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1963)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1968)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1971)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2010)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2011)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2016)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1966)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1968)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1969)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1970)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1972)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1975)

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

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1892)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1904)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1905)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1911)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1920)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1888)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1928)

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

Rearing cockroaches for experimental purposes - United States. Office of Experiment Stations. ([U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine], 1952)

Recent advances in entomology - Imms, A. D. (Augustus Daniel), 1880 -1949 (P. Blakiston's son & co., inc, 1937)

Recent advances in invertebrate physiology; a symposium sponsored by the National Science Foundation, the Tektronix Foundation [and] the University of Oregon - Scheer, Bradley T. (Bradley Titus), 1914 - (University of Oregon Publications, 1957)

Recent advances in microscopy; biological applications - MacBride, E. W. (Ernest William), 1866 -1940 (P. Blakiston's son & co., inc, 1931)

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1969)