The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1982)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1984)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1987)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1988)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1991)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1999)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2001)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2004)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2006)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2018)

Capital natural de México - Sarukhan, Jose (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2008)

Cardinal Divide area baseline survey water quality and aquatic biota 1995-96 : data report - Alberta. Water Management Division. (Alberta Environmental Protection], Natural Resources Service, Water Management Division, Water Sciences Branch, 1998)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1912)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1921)

Carnivorous plant newsletter - California State University, Fullerton. Arboretum. (International Carnivorous Plant Society, etc, 2016)

Cascade-Siskiyou National Monument : draft resource management plan/environmental impact statement - United States. Bureau of Land Management. Medford District. (U.S. Department of the Interior, Bureau of Land Management, Medford District Office, 2002)

Casopis Ceské spolecnosti entomologické = Acta Societatis Entomologicae Bohemiae - Ceská spolecnost entomologická (Spolecnost, 1906)

Casopis Ceské spolecnosti entomologické = Acta Societatis Entomologicae Bohemiae - Ceská spolecnost entomologická (Spolecnost, 1908)

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

Catalogue de la bibliothèque - Bohnensieg, G. C. W. (Georg Carl Wilhelm), 1828 - (Héritiers Loosjes, 1885)

A catalogue of manuscripts in the Entomology Library of the Natural History Museum, London - Natural History Museum (London, England) (Mansell, 1996)

A catalogue of North American Diptera (or two-winged flies) - Osten-Sacken, C. R. (Carl Robert), 1828 -1906 (Smithsonian Institution, 1905)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1915)

Catalogue of the books, manuscripts, maps and drawings in the British museum (Natural history) .... - Woodward, Bernard Barham, 1853 -1930 (Printed by order of the Trustees, 1922)

Catalogue of the books, manuscripts, maps and drawings in the British museum (Natural history) .... - Woodward, Bernard Barham, 1853 -1930 (Printed by order of the Trustees, 1940)

Catalogue of the Diptera of the Afrotropical Region - Cogan, B H (British Museum (Natural History), 1980)

Catalogue of the diptera of the Americas South of United States - Sao Paulo (Est). Secretaria da Agricultura. Departamento de Zoologia (S.N, 1966)

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)

A century of progress in the natural sciences, 1853-1953 - California Academy of Sciences (1955)

Die Cephalopoden - Valdivia (Ship) (G. Fischer, 1910)

Certain limnological characteristics of the La Biche and Wandering Rivers - Robertson, Michael Ross. (1967)

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)

Checklist of publications on entomology issued by the United States Department of Agriculture through 1927, with subject index - National Agricultural Library (U.S.) (United States Department of Agriculture, Library, 1930)

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

The Coleopterists' Bulletin - Coleopterists Society. (Coleopterists' Society, 1968)

Collection and care of botanical specimens - Savile, D. B. O., (Douglas Barton Osborne), 1909 - (Canada Department of Agriculture, Research Branch, 1962)

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

College zoology - Hegner, Robert William, 1880 -1942 (Macmillan, 1959)

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

Comunicaciones de la Sociedad Malacológica del Uruguay - Sociedad Malacológica Del Uruguay. (2008)

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

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

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

Congrès international d'entomologie : [proceedings] (Hayez, 1935)

Congrès international d'entomologie : [proceedings] (Hayez, 1939)

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

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

Congrès international d'entomologie : [proceedings] (Hayez, 1958)