Harrison, Billie, and Cindy Steinle. “An Albino Butler’s Gartersnake (Thamnophis Butleri) from Milwaukee County, Wisconsin ”. Reptiles & Amphibians 27, no. 3 (December 7, 2020): 451. Accessed May 1, 2024. https://journals.ku.edu/reptilesandamphibians/article/view/14876.