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Dixon, J.R.
2000
Amphibians and reptiles of Texas. 2nd ed.
W.L. Moody Jr. Natural History Series 25: 1-421.

Later editions:



 Dixon, J.R.
2013
Amphibians and reptiles of Texas. With keys, taxonomic synopses, bibliography, and distribution maps. 3rd rev. and updated ed.
Texas A&M University Press, Austin. 460 pp.