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)

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

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

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

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

Checklist of reptiles and amphibians listed in the CITES appendices (1995)

A checklist of the vertebrate animals of Kansas - Collins, Joseph T. (Museum of Natural History, University of Kansas, 1991)

Checklists for the CORINE Biotopes Programme and its application in the PHARE countries of Central and East Europe: including comparisons with relevant conventions and agreements on the conservation of European species and habitats - WCMC (EC, 1994)

The chemistry and physiology of growth - Northrop, John Howard, 1891 - (Princeton Univ. Press, 1949)

The childhood of animals - Mitchell, P. Chalmers Sir, (Peter Chalmers), 1864 -1945 (F. A. Stokes, 1912)

Chinese herpetological research - Zhongguo liang qi pa xing dong wu xue hui. (Chinese Society for the Study of Amphibians and Reptiles, 1989)

Chordate anatomy - Neal, Herbert V. (Herbert Vincent), 1869 -1940 (P. Blakiston's Son & Co, 1939)

Chordate morphology - Jollie, Malcolm. (Reinhold, 1962)

The chordates - Rand, Herbert W. (Herbert Wilbur), 1872 -1960 (Blakiston, 1950)

Chromosome evolution in selected treefrogs, including casque-headed species (Pternohyla, Triprion, Hyla, and Smilisca) - Cole, Charles J. (American Museum of Natural History, 1974)

Chromosome studies in Sminthillus from Cuba and Eleutherodactylus from Cuba and Puerto Rico (Anura: Leptodactylidae) - Royal Ontario Museum. (Royal Ontario Museum, 1981)

A civic biology : presented in problems - Hunter, George W. (George William), 1873 -1948 (American Book Company, 1914)

A civic biology, presented in problems - Hunter, George W. (George William), 1873 -1948 (American Book Company, 1914)

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

Classification of the animal kingdom - Blackwelder, Richard Eliot 1909 -2001 (Southern Illinois University Press, 1963)

Classification of the collection to illustrate the animal resources of the United States. A list of substances derived from the animal kingdom, with synopsis of the useful and injurious animals and a classification to the methods of capture and utilization - Goode, G. Brown (George Brown), 1851 -1896 (Govt. print. off, 1876)

A classification of vertebrata, recent and extinct - Gadow, Hans, 1855 -1928 (Black, 1898)

The coal measures Amphibia of North America - Moodie, Roy Lee, 1880 -1934 (Carnegie Institution of Washington, 1916)

The Collecting net - Marine Biological Laboratory (Woods Hole, Mass.) (The Collecting net, 1932)

The Collecting net - Marine Biological Laboratory (Woods Hole, Mass.) (The Collecting net, 1933)

The Collecting net - Marine Biological Laboratory (Woods Hole, Mass.) (The Collecting net, 1935)

College zoology - Hegner, Robert William, 1880 -1942 (The Macmillan company, 1912)

College zoology - Hegner, Robert William, 1880 -1942 (Macmillan, 1918)

Colombia Bajo Caguán-Caquetá - Field Museum of Natural History. (The Field Museum, 2019)

Colombia: La Lindosa, Capricho, Cerritos - Field Museum of Natural History. (The Field Museum, 2018)

Colombia, Perú : bajo Putumayo-Yaguas-Cotuhé - Field Museum of Natural History. (Field Museum, Keller Science Action Center, 2021)

The Columella auris in Amphibia - Reed, H. D. (1909)

Comparative anatomy and physiology - Bell, F. J. (Francis Jeffrey), 1855 -1924 (Cassell, 1885)

Comparative anatomy and physiology - Bell, F. J. (Francis Jeffrey), 1855 -1924 (Lea Brothers, 1885)

Comparative anatomy - Neal, Herbert V. (Herbert Vincent), 1869 -1940 (P. Blakiston's Son, 1936)

Comparative anatomy of vertebrates - Kingsley, J. S. (John Sterling), 1854 -1929 (P. Blakiston's son & co, 1912)