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

Catalogue of bacteria associated extracellularly with insects and ticks - Steinhaus, Edward Arthur, 1914 -1969 (Burgess publishing co, 1942)

Catalogue of hymenopterous insects in the collection of the British museum... - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1858)

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, 1891)

Catalogue of the exhibit of economic entomology at the World's Columbian Exposition, Chicago Ill., 1893 - Riley, Charles V. (Charles Valentine), 1843 -1895 (U.S. Dept. of Agriculture, Division of Entomology, 1893)

Catalogue of the exhibit of economic entomology at the World's Industrial and Cotton Centennial Exposition, New Orleans, 1884-85 - United States. Bureau of Entomology. (Judd & Detweiler, 1884)

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

Check-list and bibliography on the occurrence of insects in birds' nests - Hicks, Ellis A. (Iowa State College Press, 1959)

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

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

Circular - Estación Experimental Agronómica de Santiago de las Vegas (Cuba) (La Estacin, 1909)

Circular (s.n.], 1907)

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)

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

Classification and evolution of the Oraseminae in the old world, including revisions of two closely related genera of Eucharitinae (Hymenoptera: Eucharitidae) - Royal Ontario Museum. (Royal Ontario Museum, 1994)

The Coccidae - MacGillivray, Alexander Dyer, 1868 -1924 (Scarab company, 1921)

The Coccidae, tables for the identification of the subfamilies and some of the more important genera and species, together with discussions of their anatomy and life history - MacGillivray, Alexander Dyer, 1868 -1924 (Scarab, 1921)

The Coccidae, tables for the identification of the subfamilies and some of the more important genera and species, together with discussions of their anatomy and life history - MacGillivray, Alexander Dyer, 1868 -1924 (Scarab Company, 1921)

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

The Coleopterists' Bulletin - Coleopterists Society. (Coleopterists' Society, 1977)

The Coleopterists' Bulletin - Coleopterists Society. (Coleopterists' Society, 1978)

Coleopterological notices - Casey, Thos. L. (Thomas Lincoln), 1857 -1925 (New York Academy of Sciences, 1893)

Collected papers on ants - Wheeler, William Morton, 1865 -1937 (1905)

Collection of entomopathogenic fungal cultures : catalog of strains - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, 1992)

Commentariorum de plantis Africae Australioris :quas per octo annos collegit observationibusque manuscriptis. Illustravit Joannes Franciscus Drege - Meyer, Ernst H. F. (Ernst Heinrich Friedrich), 1791 -1858 (Apud Leopoldum Voss, 1837)

Comparative studies in the psychology of ants and of higher animals - Wasmann, Erich, 1859 -1931 (B. Herder, 1905)

Comparative study of todies (Todidae), with emphasis on the Puerto Rican tody, Todus mexicanus - Kepler, Angela Kay, 1943 - (Nuttall Ornithological Club, 1977)

Compte-rendu des séances du Troisième congrès international de zoologie : Leyden - 16-21 Septembre - l895 (E.J. Brill, 1895)

Comptes rendus hebdomadaires des séances et mémoires de la Société de biologie - Société de biologie (Paris, France) (G. Masson, 1907)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1897)

Comunicaciones de la Sociedad Malacológica del Uruguay - Sociedad Malacológica Del Uruguay. (1968)

Comunicaciones de la Sociedad Malacológica del Uruguay - Sociedad Malacológica Del Uruguay. (1970)

Comunicaciones del Museo nacional de Buenos Aires - Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" (The Museo, 1898)

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

Congrès international d'entomologie : [proceedings] (Hayez, 1926)

Congrès international d'entomologie : [proceedings] (Hayez, 1938)

Congrès international d'entomologie : [proceedings] (Hayez, 1977)

Congrès international d'entomologie : [proceedings] (Hayez, 1984)

Congrès international d'entomologie : [proceedings] (Hayez, 1988)

Congrès international d'entomologie : [proceedings] (Hayez, 1992)

Congrès international d'entomologie : [proceedings] (Hayez, 1996)

Congrès international d'entomologie : [proceedings] (Hayez, 2000)

Congrès international d'entomologie : [proceedings] (Hayez, 2008)

Congrès international d'entomologie : [proceedings] (Hayez, 2016)

Contribución a la entomología cubana - Gundlach, Johannes Christoph, 1810 -1896 (G. Montiel, 1886)