Steen, David A., Amanda D. Steen, Scott Pokswinski, Sean P. Graham, and Lora L. Smith. “Snakes Using Stumpholes and Windfall Tree-Associated Subterranean Structures in Longleaf Pine Forests”. Reptiles & Amphibians 17, no. 1 (March 1, 2010): 49–51. Accessed June 14, 2025. https://journals.ku.edu/reptilesandamphibians/article/view/16068.