Cenozoic mammal horizons of western North America - Osborn, Henry Fairfield, 1857 -1935 (Govt. Print. Off, 1909)

Cenozoic mammals of land and sea : tributes to the career of Clayton E. Ray - Emry, Robert J. (Smithsonian Institution Press, 2002)

Central Asiatic Expeditions of the American Museum of Natural History, under the leadership of Roy Chapman Andrews : preliminary contributions in geology, palaeontology, and zoology - Andrews, Roy Chapman, 1884 -1960 (American Museum of Natural History, 1918)

Centralblatt für Mineralogie, Geologie und Paläontologie (E. Schweizerbart'sche Verlagshandlung, 1902)

Centralblatt für Mineralogie, Geologie und Paläontologie (E. Schweizerbart'sche Verlagshandlung, 1922)

Centralblatt für Physiologie - Physiologische Gesellschaft zu Berlin. (Toeplitz & Deuticke, 1901)

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)

Cestodes - Braun, Max, 1850 -1930 (C.F. Winter, 1894)

Chamber's encyclopaedia, a dictionary of universal knowledge (Chambers, 1902)

Chambers's information for the people - Chambers, Robert, 1802 -1871 (Chambers, 1884)

Check-list of North American Batrachia and Reptilia with a systematic list of the higher groups and an essay on geographical distribution, based on the specimens contained in the U. S. National Museum - Cope, E. D. (Edward Drinker), 1840 -1897 (G.P.O, 1875)

Check-list of the species of fishes known from the Philippine Archipelago - Jordan, David Starr, 1851 -1931 (Bureau of printing, 1917)

Checklist : mammals of Alaska - Macdonald, Stephen O (University of Alaska Museum, 1980)

Checklist of CITES Species (1998)

Checklist of CITES Species: a reference to the appendices to the Convention on International Trade in Endangered Species of Wild Fauna and Flora (2001)

Checklist of CITES Species: a reference to the appendices to the Convention on International Trade in Endangered Species of Wild Fauna and Flora (1996)

Checklist of mammals listed in the CITES appendices (1995)

Checklist of mammals listed in the CITES appendices and in EC Regulation 338/97 (2001)

Checklist of mammals listed in the CITES appendices and in EC Regulation 338/97 - WCMC (JNCC, 1999)

Checklist of North American mammals north of Mexico - Genoways, Hugh H. ([Museum of Texas Tech University], 1973)

Checklist of Palaearctic and Indian mammals 1758 to 1946 - Ellerman, J. R. (John Reeves), 1909 -1973 (BM(NH), 1966)

Checklist of Palaearctic and Indian mammals 1758 to 1946 - Ellerman, J. R. (John Reeves), 1909 -1973 (BM(NH), 1951)