Catalogus mammalium tam viventium quam fossilium a doctore E.-L. Trouessart - Trouessart, E.-L. (Edouard-Louis), 1842 -1927 (R. Friedländer & sohn, 1898)

Catalogus plantarum in Horto botanico Bogoriensi cultarum alter - Hasskarl, J. K. (Justus Karl), 1811 -1894 (typis officinae publicae, 1844)

Catalogus plantarum quae in Horto Botanico Bogoriensi coluntur - Kebun Raya Indonesia. (Lands-Drukkerij, 1866)

Causeries scientifiques - Société zoologique de France. (1900)

Central African game and its spoor - Lyell, Denis David, 1871 - (H. Cox, 1909)

Centralblatt für Bakteriologie, Parasitenkunde und Infektionskrankheiten 1. Abt Originale (G. Fischer, 1898)

Centralblatt für Physiologie - Physiologische Gesellschaft zu Berlin. (Toeplitz & Deuticke, 1908)

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 (Longman, Green, Longman, and Roberts, 1860)

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)

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)

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

Characteres essentiales familiarum ac tribuum regni vegetabilis et amphorganici ad leges tetractydis naturae conscripti accedit enumeratio generum magis notorum et organographiae supplementum - Gori͡aninov, Pavel Fedorovich, 1796 -1865 (Typis K. Wienöberianis, 1847)

A check list of mammals of the North American continent, the West Indies and the neighboring seas - Elliot, Daniel Giraud, 1835 -1915 (1905)

A check list of the genera and species of Mallophaga - Clay, Theresa (BM(NH), 1952)

Checklist of CITES Species (1998)

Checklist of CITES Species and Annotated CITES Appendices and Reservations - Inskipp, Tim (CITES Secretariat, UNEP-WCMC, 2005)

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

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

The chewing lice : world checklist and biological overview - Price, Roger D. (Illinois Natural History Survey, 2003)

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

Classification der säugethiere und vögel - Kaup, J. J. (Johann Jacob), 1803 -1873 (C. W. Leske, 1844)

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

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