Casper, Gary S. 1996.
Geographic Distributions of the Amphibians and Reptiles of Wisconsin: An Interim Report of the Wisconsin Herpetological Atlas Project
Milwaukee, WI: Milwaukee Public Museum. 87 pp.


Christoffel, Rebecca, Robert Hay, and Megan Monroe. 2002.
Turtles and Lizards of Wisconsin
Publication ER-104. Madison: Wisconsin Department of Natural Resources. 48 pp.




Christoffel, Rebecca, Robert Hay, and Lisa Ramirez. 2000.
Snakes of Wisconsin
Publication ER-100. Madison: Wisconsin Department of Natural Resources. 32 pp.




Christoffel, Rebecca, Robert Hay, and Michelle Wolfgram. 2001.
Amphibians of Wisconsin
Publication ER-105. Madison: Wisconsin Department of Natural Resources. 44 pp.




Parmelee, Jeffrey R., Melinda G. Knutson, and James E. Lyon. 2002.
A Field Guide to Amphibian Larvae and Eggs of Minnesota, Wisconsin, and Iowa
Washington, DC: U. S. Geological Survey. 38 pp. [also available online here]




Tekiela, Stan. 2004.
Reptiles and Amphibians of Wisconsin Field Guide
Cambridge, MN: Adventure Publications. 173 pp. [includes CD of frog and toad calls]




Vogt, Richard Carl. 1981.
Natural History of Amphibians and Reptiles in Wisconsin
Milwaukee, WI: Milwaukee Public Museum. 205 pp.