Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1913)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1915)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1919)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1936)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1943)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1947)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1950)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1949)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1951)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1953)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1958)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1961)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1964)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1965)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1970)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1978)

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)

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, 1929)

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, 1952)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1953)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1956)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1963)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1940)

Proceedings of the Royal Zoological Society of New South Wales - Royal Zoological Society of New South Wales. (The Society, 1948)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1924)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1960)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1919)

Procès-verbaux - Société Linnéenne de Bordeaux. (1943)

Procès-verbaux - Société Linnéenne de Bordeaux. (1946)

Procès-verbaux - Société Linnéenne de Bordeaux. (1947)

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

Protozoa ... - Bhatia, B. L. (Bihari Lal), 1884 -1941 (Taylor and Francis, 1938)

Protozoan parasites of domestic animals and of man - Levine, Norman D. (Burgess Pub. Co, 1961)

Protozoology - Kudo, Richard R. (Richard Roksabro), 1886 -1967 (C. C. Thomas, 1954)

Protozoology - Hall, Richard P. (Richard Pinkham), 1900 -1969 (Prentice-Hall, 1953)

Protozoology - Kudo, Richard R. (Richard Roksabro), 1886 -1967 (C.C. Thomas, 1946)

Protozoology : a manual for medical men, veterinarians and zoologists - Wenyon, C. M. (Charles Morley), 1878 -1948 (W. Wood, 1926)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1931)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1940)

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

Publication. Field Museum of Natural History Anthropological series - Field Museum of Natural History. (The Museum, 1939)

Publication - Smithsonian Institution. Institute of Social Anthropology (U.S. Govt. Print. Off, 1950)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1923)

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 Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1908)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1910)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1912)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1911)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1914)

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

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1921)