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

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1907)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1914)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1924)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1926)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1925)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1929)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1930)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1932)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1937)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1938)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1972)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1958)

The Cary Arboretum of the New York Botanical Garden : a newsletter - Friends of the Arboretum (Cary Arboretum) (Friends of the Arboretum, 1975, 1977)

Catalog of California seabird colonies - Coastal Ecosystems Project. (Coastal Ecosystems Project, Office of Biological Services, Fish and Wildlife Service, U.S. Dept. of the Interior, 1980)

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

Catalogue of mammals collected by E. Heller in Southern California - Elliot, Daniel Giraud, 1835 -1915 (1904)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1914)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1918)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1921)

A catalogue of the collection of mammals in the Field Columbian Museum - Field Columbian Museum. (Field Columbian Museum)

Catalogus mammalium tam viventium quam fossilium. Quinquennale supplementum anno 1904 - Trouessart, E.-L. (Edouard-Louis), 1842 -1927 (R. Friedländer & Sohn, 1904)

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

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

Catesbeiana : bulletin of the Virginia Herpetological Society - Virginia Herpetological Society. (The Society, 1989)

Catesbeiana : bulletin of the Virginia Herpetological Society - Virginia Herpetological Society. (The Society, 1990)

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

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)

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

The Channel Islands of California : a book for the angler, sportsman, and tourist - Holder, Charles Frederick, 1851 -1915 (Hodder and Stoughton, 1910)

Chapters on the natural history of the United States - Shufeldt, Robert Wilson 1850 -1934 (Studer Bros, 1897)