Caldwell, Janalee P., and Joseph T. Collins. 1981.
Turtles in Kansas
Lawrence, KS: AMS Publishing. 67 pp.


Collins, Joseph T. 1993.
Amphibians and Reptiles in Kansas
3d ed., rev. Lawrence, KS: University of Kansas Natural History Museum. 397 pp.




Collins, Joseph T., and Suzanne L. Collins. 1991.
Reptiles and Amphibians of the Cimarron National Grasslands, Morton County, Kansas
U. S. Forest Service. 60 pp.


Collins, Joseph T., and Suzanne L. Collins. 1993.
Reptiles and Amphibians of Cheyenne Bottoms
Hillsboro, KS: Hearth Publishing. 92 pp.