Books

Bauchot, R. Snakes: A Natural History. New York: Sterling Publishing Company, 1997.

Conant, R. and J.T. Collins. A Field Guide to Reptiles & Amphibians: Eastern and Central North America. Boston: Houghton Mifflin, 1998.

Ohio Department of Natural Resources, Division of Wildlife. (2002). Wildlife that are Considered to be Endangered, Threatened, Species of Concern, Special Interest, Extirpated, or Extinct in Ohio.

Ohio Department of Natural Resources, Division of Wildlife. (2002). Ohio's Reptiles.

Parker, H.W. and Grandison, A.G.C. (1977). Snakes: A Natural History. Ithaca, New York: Cornell University Press (1977).

Rage, Jean-Claude. Origin and Evolution of Snakes: Snakes, a Natural History. New York: Sterling Publishing Inc. (1997).

Personal Interviews

Iverson, L. (2003). Personal Communication

Prasad, A. (2004). Personal Communication.

Wynn, D. (2000-2004). Personal Communication.

Journal Articles

Daryrmple, G.H., and N.G. Richenbach. "Management of an Endangered Species of Snake in Ohio, USA." Biological Conservation 30: 195-200 (1984).

Web Sites

Huelsman, Margaret F., et al. The Multicolored Asian Lady Beetle (Harmonia Axyridis) as a Nuisance Pest in Households Throughout Ohio. 2001. Retrieved from the World Wide Web on 16 February 2003. http://ipm.osu.edu/lady/icup.htm

Illinois Natural History Survey. www.inhs.uiuc.edu/cbd/herpdist/species/th_radix.html