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

Catalogue of British fossorial Hymenoptera, Formicidæ, and Vespidæ, in the collection of the British museum - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1858)

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 injurious insects in Japan (exclusive of animal parasites) - Shiraki, Tokuichi, 1882 -1970. (1952)

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

Catalogue of the family-group, genus-group and species-group names of the Riodinidae & Lycaenidae (Lepidoptera) of the world - Bridges, Charles A. (C.A. Bridges, 1994)

Catalogue raisonné des coléoptères du nord de l'Afrique (Maroc, Algérie, Tunisie et Tripolitaine) avec notes sur la faune des iles Canaries et de Madère. Partie 1 - Bedel, Louis, 1849 -1922 (Société entomologique de France, 1895)

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

Ceylon : an account of the island, physical, historical, and topographical with notices of its natural history, antiquities and productions - Tennent, James Emerson, Sir, 1804 -1869 (Longman, Green, Longman, and Roberts, 1860)

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)

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)

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

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

Coleoptera fam. Pselaphidae (P. Wytsman, 1908)

Coleoptera : general introduction and Cicindelidae and Paussidae - Fowler, W. W. (William Weekes), 1849 -1923 (Taylor and Francis,, 1912)

Coleopteren : die Käfer Deutsch-Ost-Afrikas - Kolbe, H. J. (Hermann Julius), 1855 -1939 (D. Reimer, 1897)

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

College of Hawaii publications. Bulletin - University of Hawaii (Honolulu) (The College, 1911)

Comparative animal physiology - Bishop, David W. (Saunders, 1950)

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

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