The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- Collins, J. T. 1990. Standard Common and Current Scientific Names for North American Amphibians and Reptiles, Third Edition. ii + 41
- Collins, J. T. 1997. Standard Common and Current Scientific Names for North American Amphibians and Reptiles, Fourth Edition. ii + 40
- Rossman, D. A., N. B. Ford, and R. A. Seigel. 1996. The Garter Snakes: Evolution and Ecology. v + 332
- Say, T. 1823. In James, E. Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819, '20, by order of the Hon. J. C. Calhoun, Secretary of War, under the command of Major Stephen H. Long. Vol. 1. Philadelphia, H. C. Carey & I. Lea.
- Uetz P. (2013). TIGR Reptile Database (version Oct 2007). In: Species 2000 & ITIS Catalogue of Life, 11th March 2013 (Roskov Y., Kunze T., Paglinawan L., Orrell T., Nicolson D., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Hernandez F., De Wever A., eds). Digital resource at www.catalogueoflife.org/col/. Species 2000: Reading, UK.