Bulletin - United States. Bureau of Entomology. (G.P.O, 1911)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1912)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1913)

Bulletin - United States. Bureau of Entomology. (G.P.O)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1880)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1885)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1887)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1888)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1891)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1902)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1904)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1903)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1905)

Bulletin - United States. Bureau of Entomology. (G.P.O, 1915)

The butterflies of the eastern United States and Canada : with special reference to New England - Riley, Charles V. (Charles Valentine), 1843 -1895 (The author, 1889)

The butterflies of the eastern United States and Canada with special reference to New England - Scudder, Samuel Hubbard, 1837 -1911 (S.H. Scudder, 1889)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1878)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1879)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1881)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1882)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1887)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1888)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1906)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1911)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1916)

Catalog of hymenoptera in America north of Mexico - Krombein, Karl V. (Smithsonian Institution Press, 1979)

Catalogue of British Hymenoptera of the family Chalcididæ - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1910)

Catalogue of insects found in New Jersey - Smith, John Bernhard, 1858 -1912 (John L. Murphy, 1890)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1916)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1908)

Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus - Dalla Torre, K. W. von (Karl Wilhelm), 1850 -1928 (G. Engelmann, 1894)

The cell in development and heredity - Wilson, Edmund B. (Edmund Beecher), 1856 -1939 (The Macmillan Co, 1928)

Centralblatt für Bakteriologie und Parasitenkunde (G. Fischer, 1892)

Eine Centurie neuer Hymenopteren. Die Zweite Centurie neuer Hymenopteren - Foerster, Arn. (Arnold), 1810 -1884 (1850)

The Century dictionary : an encyclopedic lexicon of the English language: prepared under the superintendence of William Dwight Whitney - Whitney, William Dwight, 1827 -1894 (Century Co, 1889)

Check-list of the insects of Connecticut - Britton, Wilton Everett, 1868 -1939 (State Geological and Natural History Survey, 1920)

Chemical aspects of ecology in relation to agriculture - Martin, Hubert. (Science Service, Canada Dept. of Agriculture, 1957)

Class book of economic entomology - Lochhead, W. (P. Blakiston's son & co, 1919)

Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada - Lochhead, W. (Blakiston, 1919)

A classification of living animals - Rothschild, Nathaniel Mayer Victor Rothschild, Baron, 1910 -1990 (Wiley, 1961)

Classification of the chalcid flies, or the superfamily Chalcidoidea, with descriptions of new species in the Carnegie museum, collected in South America by Herbert H. Smith - Ashmead, William H. (William Harris), 1855 -1908 (Carnegie institute, 1904)

Coccidologist's newsletter - Systematic Entomology Laboratory (U.S.) (ARS, Systematic Entomology Laboratory, 1973)

Components for management of field corn and grain sorghum insects and mites in the United States - United States. Agricultural Research Service. Southern Region. (Agricultural Research Service (Southern Region), U.S. Dept. of Agriculture, 1981)

Conference report on cotton insect research and control - United States. Agricultural Research Service. ([U.S. Govt. Print. Off.], 1955)

Conference report on cotton insect research and control - United States. Agricultural Research Service. ([U.S. Govt. Print. Off.], 1957)

Conference report on cotton insect research and control - United States. Agricultural Research Service. ([U.S. Govt. Print. Off.], 1956)

Congrès international d'entomologie : [proceedings] (Hayez, 1910)

Congrès international d'entomologie : [proceedings] (Hayez, 1933)