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Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1912)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1914)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1862)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1869)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1883)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1882)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1889)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1894)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1897)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1911)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1915)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1917)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1918)

Proceedings of the American Society of Agronomy - American Society of Agronomy. (The Society, 1918)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1886)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1884)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1892)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1900)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1899)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1921)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1926)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1935)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1936)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1966)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1979)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1987)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1921)

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

Proceedings of the Canadian Institute - Glenny, George, 1793 -1874 (Canadian Institute, 1883)

Proceedings of the Canadian Institute - Glenny, George, 1793 -1874 (Canadian Institute, 1885)

Proceedings of the ... Conference on Southern Forest Tree Improvement - United States. Forest Service. (Eastern Tree Seed Laboratory in cooperation with Southern Area, State Private Forestry and Region 8, U.S. Forest Service, 1971)

Proceedings of the Davenport Academy of Natural Sciences - Davenport Academy of Natural Sciences. (Academy of Natural Sciences [etc.], 1867)

Proceedings of the Davenport Academy of Natural Sciences - Davenport Academy of Natural Sciences. (Academy of Natural Sciences [etc.], 1885)

Proceedings of the Davenport Academy of Natural Sciences - Davenport Academy of Natural Sciences. (Academy of Natural Sciences [etc.], 1901)

Proceedings of the Delaware County Institute of Science - Delaware County Institute of Science. (The Institute, 1905)

Proceedings of the Delaware County Institute of Science - Delaware County Institute of Science. (The Institute, 1908)

Proceedings of the Delaware County Institute of Science - Delaware County Institute of Science. (The Institute, 1914)

Proceedings of the eighteenth southern forest tree improvement conference, May 21-23, 1985, Long Beach, Mississippi - Southern Forest Tree Improvement Committee. (National Technical Information Service, 1985)

Proceedings of the Elliott Society of Science & Art of Charleston, South Carolina - Elliott Society of Science & Art. (s.n, 1859)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1961)

Proceedings of the Entomological Society of Nova Scotia - Entomological Society of Nova Scotia. (Entomological Society of Nova Scotia, 1918)

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Proceedings of the Entomological Society of Philadelphia - American Entomological Society. ([Printed by the Society], 1861)

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Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1895)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1908)

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, 1914)

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, 1918)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1924)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1930)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1935)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1963)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1969)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1974)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1975)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1976)

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, 1979)

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, 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, 1986)

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, 1993)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1994)

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, 1998)

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, 2001)

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, 2003)

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

Proceedings of the Florida Academy of Sciences - Florida Academy of Sciences. (Rose Printing Co., etc, 1936)

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Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1901)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1902)

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.], 1904)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1905)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1906)