Contributions in quaternary vertebrate paleontology: a volume in memorial to John E. Guilday - Genoways, Hugh H. (Carnegie Museum of Natural History, 1984)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1959)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1960)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1961)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1963)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1969)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1972)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1974)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1980)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1985)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1987)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1988)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1994)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1995)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1998)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 2000)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 2005)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 2009)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 2017)

Contributions to avian palaeontology from the Pacific coast of North America - Miller, Loye, 1874 -1970 (University of California press, 1912)

Contributions to natural history, chiefly in relation to the food of the people - Esdaile, David. (W. Blackwood, 1865)

Contributions to the anatomy and development of the salivary glands in the mammalia (Columbia Univ. Pr, 1913)

Contributions to the extinct vertebrate fauna of the western territories - Leidy, Joseph, 1823 -1891 (Govt. Print. Off, 1873)

Contributions to the history of Australasian ornithology - Nuttall Ornithological Club. (Nuttall Ornithological Club, 2012)

Contributions to the natural history of the United States of North America. vol. 1, part 1 - Agassiz, Louis, 1807 -1873 ([s.n.])

Contributions to the natural history of the United States of America - Agassiz, Louis, 1807 -1873 (Little, Brown and Company, 1857)

Contributions to the theory of natural selection. A series of essays - Wallace, Alfred Russel, 1823 -1913 (Macmillan and co, 1870)

Contributions to the theory of natural selection : a series of essays - Wallace, Alfred Russel, 1823 -1913 (Macmillan, 1871)

Cope papers, 1871-[1897 - Cope, E. D. (Edward Drinker), 1840 -1897 (1871)

A Cornish fauna : being a compendium of the natural history of the county : intended to form a companion to the collection in the Museum of the Royal Institution of Cornwall - Couch, Jonathan, 1789 -1870 (Printed for the Royal Institution of Cornwall, by L.E. Gillet, 1838)

A Cornish fauna; being a compendium of the natural history of the county, intented to form a companion to the collection in the Museum of the Royal Institution of Cornwall. Part 1, Containing the vertebrate, crustacean, and a portion of the radiate animals - Couch, Jonathan, 1789 -1870 (printed for the Royal Institution of Cornwall ; by L.E. Gillet, 1838)

Correlation papers : Cambrian - Walcott, Charles D. (Charles Doolittle), 1850 -1927 (Govt. Print. Off, 1891)