Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1920)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1913)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1841)

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

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1990)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 2001)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1868)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1896)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1899)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1914)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1965)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1966)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2016)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2017)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2018)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1916)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1921)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1922)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1924)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1930)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1947)

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

Proceedings of the Entomological Society of Ontario - Entomological Society of Ontario. (Entomological Society of Ontario, 1963)

Proceedings of the Entomological Society of Ontario - Entomological Society of Ontario. (Entomological Society of Ontario, 1969)

Proceedings of the Entomological Society of Ontario - Entomological Society of Ontario. (Entomological Society of Ontario, 1975)

Proceedings of the Entomological Society of Ontario - Entomological Society of Ontario. (Entomological Society of Ontario, 1974)

Proceedings of the Entomological Society of Ontario - Entomological Society of Ontario. (Entomological Society of Ontario, 1987)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1911)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1912)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1916)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1917)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1922)

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, 1933)

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, 1937)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1938)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1939)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1940)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1959)

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, 1967)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1973)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1977)

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, 1981)

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, 1984)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1985)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1987)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1989)

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, 1997)

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

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

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1906)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1905)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1919)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1900)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1918)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1919)

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, 1929)

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 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, 2018)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1958)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1911)

Proceedings of the Royal Physical Society of Edinburgh - Royal Physical Society of Edinburgh. (The Society, 1867)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1937)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1967)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1971)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1985)

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

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, 1928)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1915)

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.], 1922)

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.], 1932)

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

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

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

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

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1891)

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, 1890)

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

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1892)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1894)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1984)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1895)

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

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1898)

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

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1901)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1904)

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

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