Dixon, James R. 2000.
Amphibians and Reptiles of Texas: With Keys, Taxonomic Synopses, Bibliography, and Distribution Maps
College Station, TX: Texas A&M University Press. 432 pp.




Dixon, James R., and John E. Werler. 2005.
Texas Snakes: A Field Guide
Austin, TX: University of Texas Press. 384 pp.




Garrett, Judith M., and David G. Barker. 1987.
A Field Guide to Reptiles and Amphibians of Texas
Austin, TX: Texas Monthly Press. 225 pp. [excludes snakes]




Tennant, Alan. 2005.
Lone Star Field Guide to Texas Snakes
"3d ed." [rev. ed. of A Field Guide to Texas Snakes] Lanham, MD: Taylor Trade Publishing.




Werler, John E., and James R. Dixon. 2000.
Texas Snakes: Identification, Distribution, and Natural History
Austin, TX: University of Texas Press. 437 pp.