Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1957)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1968)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1969)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1972)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1973)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1980)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1993)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1995)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1999)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 2001)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 2005)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1957)

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, 1992)

Contributions to Canadian biology - Biological Board of Canada. (Biological Board of Canada, 1911)

Contributions to Canadian biology - Biological Board of Canada. (Biological Board of Canada, 1914)

Coral Reefs of the World (1988)

Cryptogamen - Schenck, Heinrich, 1860 -1927 (G. Fischer, 1902)

Cryptogamic botany - Cardot, Jules, 1860 -1934 (The Smithsonian Institution, 1910)

Cryptogamic plants of the USSR. (Flora sporovykh rastenii SSSR) - Botanicheskii institut im. V.L. Komarova ([Published for the National Science Foundation, Washington, D.C. by the Israel Program for Scientific Translations, 1966)

Cryptogamie. Algologie - Laboratoire de cryptogamie, Paris (ADAC, 1980)

Cryptogamie. Algologie - Laboratoire de cryptogamie, Paris (ADAC, 1981)

Cryptogamie. Algologie - Laboratoire de cryptogamie, Paris (ADAC, 1982)

Cryptogamie. Algologie - Laboratoire de cryptogamie, Paris (ADAC, 1983)

Cryptogamie. Algologie - Laboratoire de cryptogamie, Paris (ADAC, 1984)

Cryptogamie. Algologie - Laboratoire de cryptogamie, Paris (ADAC, 1985)

Cryptogamie. Algologie - Laboratoire de cryptogamie, Paris (ADAC, 1986)

Cryptogamie. Algologie - Laboratoire de cryptogamie, Paris (ADAC, 1987)

Cryptogamie. Algologie - Laboratoire de cryptogamie, Paris (ADAC, 1988)

Cryptogamie. Algologie - Laboratoire de cryptogamie, Paris (ADAC, 1989)

Cryptogamie. Algologie - Laboratoire de cryptogamie, Paris (ADAC, 1990)