Bibliography
Conant, R., and J. T. Colllins. 1991. A field guide to reptiles and amphibians. Houghton Mifflin Company, Boston.
Hart, T., and R. Ickes. 1997. Laboratory manual for field biology. Washington and Jefferson College, Washington, PA.
Matson, T. 1997. An introduction to the natural history of the frogs and toads of Ohio.
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