Johnson Linam, Lee Ann. “The Texas Horned Lizard Watch 1997–2006: A 10-Year Review of a Successful Citizen-Science Program”. Reptiles & Amphibians 18, no. 4 (December 1, 2011): 208–213. Accessed May 3, 2024. https://journals.ku.edu/reptilesandamphibians/article/view/16190.