Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus - Dalla Torre, K. W. von (Karl Wilhelm), 1850 -1928 (G. Engelmann, 1898)

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)

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 (Asian educational services, 2011)

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 - United States. Bureau of Entomology. (Govt. print. off, 1891)

Circular - United States. Bureau of Entomology. (The Bureau, 1908)

Cistula entomologica (E. W. Janson, 1874)

Cistula entomologica (E. W. Janson, 1876)

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 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)

A classified index and synopsis of The animal kingdom arranged in conformity with its organization - Gray, John Edward 1800 -1875 (Printed for Whittaker and Co, 1835)

Les coccidés utiles - Blanchard, Raphaël Anatole Emile, 1857 -1919 (J.B. Baillière, 1883)

The collectors' monthly (1893)

Common injurious insects of Kansas - Kellogg, Vernon L. (Vernon Lyman), 1867 -1937 (The University, 1892)

Common injurious insects of Kansas - Kellogg, Vernon L. (Vernon Lyman), 1867 -1937 (University of Kansas, Dept. of Entomology, 1892)

Compendio della fauna italiana : descrizione elementare degli animali più parte originali - Camerano, Lorenzo, 1856 -1917 (Ditta G.B. Paravia e Comp, 1885)

Compendium der vergleichenden Anatomie : zum Gebrauche für Studierende der Medizin - Rawitz, Bernhard, 1857 - (Hartung, 1893)

Comptes-rendus des séances de la Société entomologique de Belgique - Société entomologique de Belgique. (La Société, 1883)

Comptes rendus hebdomadaires des séances et mémoires de la Société de biologie - Société de biologie (Paris, France) (G. Masson, 1914)

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

Congrès international d'entomologie : [proceedings] (Hayez, 1952)

Congrès international d'entomologie : [proceedings] (Hayez, 1971)

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

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

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

Considérations générales sur l'ordre naturel des animaux composant les classes des crustacès, des arachnides, et des insectes; avec un tableau méthodique de leurs genres, disposés en familles - Latreille, P. A. (Pierre André), 1762 -1833 (F. Schoell, 1810)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1973)

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1983)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1975)

Die Crabronen der paläarktischen region Monographisch - Kohl, Franz Friedrich (Alfred Hölder, 1915)

The cultivator : a monthly publication, devoted to agriculture - New York State Agricultural Society. (Published by New York State Agricultural Society, 1859)

Cuvier's Animal kingdom : arranged according to its organization, forming the basis for a natural history of animals, and an introduction to comparative anatomy : illustrated by three hundred engravings on wood - Blyth, Edward, 1810 -1873 (W.S. Orr and Co, 1840)

The cyclopædia of India and of Eastern and Southern Asia : commercial, industrial and scientific, products of the mineral, vegetable, and animal kingdoms, useful arts and manufactures - Balfour, Edward, 1813 -1889 (B. Quaritch, 1885)

Les Cynipides. 1re ptie, Introduction. La génération alternante chez les Cynipides - Mayr, Gustav L. 1830 -1908 (C. Coulet, 1881)

Dansk forstzoologi - Boas, J. E. V. (Johan Erik Vesti), 1855 -1935 (Nordiske forlag, 1896)

De insectorum systemate naturali : dissertatio inauguralis quam consensu facultatis medicae Halensis ut doctoris utriusque medicinae gradum rite adipiscatur die IV. Novembris MDCCCXXIX. publice defendet - Burmeister, Hermann, 1807 -1892 (Typis Grunertorum patris filiique, 1829)

Denkschriften der Kaiserlichen Akademie der Wissenschaften / Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Aus der Kaiserlich-Königlichen Hof- und Staatsdruckerei, 1850)

Denkschriften der Kaiserlichen Akademie der Wissenschaften / Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Aus der Kaiserlich-Königlichen Hof- und Staatsdruckerei, 1878)

Destructive insects affecting Ohio shade and forest trees - Houser, John S. (1918)

Deutsche entomologische Zeitschrift - Deutsche Entomologische Gesellschaft. (Nicolai'sche Verlags-Buchandlung, 1918)