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The Kansas University science bulletin - University of Kansas. Museum of Natural History. (The University, 1917)

The Kansas University science bulletin - University of Kansas. Museum of Natural History. (The University, 1920)

The Kansas University science bulletin - University of Kansas. Museum of Natural History. (The University, 1922)

Katalog der paläarktischen Hemipteren (Heteroptera, Homoptera-Auchenorhyncha und Psylloideae) - Oshanin, V. F. (Vasiliĭ Fedorovich), 1844 -1917 (R. Friedländer & Sohn, 1912)

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Leaf-hoppers and their natural enemies ... - Kirkaldy, George Willis, 1873 -1910 (H.T, 1906)

Leaf-hoppers and their natural enemies ... - Kirkaldy, George Willis, 1873 -1910 (H.T, 1907)

Leafhoppers of ornamental and fruit trees in Canada - Canada. Agriculture Canada (Agriculture Canada, 1985)

Lehrbuch der mitteleuropäischen Forstinsektenkunde - Nitsche, Hinrich, 1845 -1902 (Verlagsbuchhandlung Paul Parey, SW, Hedemannstrasse 10, 1895)

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Lehrbuch der zoologie - Claus, Carl, 1835 -1899 (N. G. Elwert, 1891)

Lepidoptera indica - Moore, Frederic, 1830 -1907 (1903)

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List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1935)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1936)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1937)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1939)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1940)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1941)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1942)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1948)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1931)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1969)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1971)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1973)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1978)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1984)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1956)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1959)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1985)

List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1968)

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List of intercepted plant pests - United States. Agricultural Research Service. (U.S. G.P.O.], 1961)

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