Bassett, Lawrence G., Sarah Bullard, and Michael R.J. Forstner. “Abnormal Coloration of a Western Ribbonsnake, Thamnophis Proximus (Say 1823), from Sutton County, Texas, USA”. Reptiles & Amphibians 29, no. 1 (January 9, 2022): 35–36. Accessed May 8, 2024. https://journals.ku.edu/reptilesandamphibians/article/view/16039.