Range map of Common Snapping Turtle in North America, north of Mexico.
Peterson Field Guide to Reptiles and Amphibians of Eastern and Central North America, Fourth Edition. 2016. Robert Powell, Roger Conant, Joseph T. Collins. Houghton Mifflin Harcourt, ISBN:978-0544129979
NatureServe Explorer - http://explorer.natureserve.org (retrieved 17 Nov. 2018)
Cephas