Bibliography
Coghill, L., Bonnan, M. F. 2004. Conservation in Cranial Morphology in Snakes: Implications for Evolution and Systematics., Undergraduate Research Day. Western Illinois University, Macomb.
Coghill, L., M. Romano, B. Sloss, and R. Franckowiak. 2007. Effects of an Anthropogenic Barrier To Gene Flow in a Semi-Aquatic Turtle, Trachemys scripta elegans On the Mississippi River. Mississippi River Research Consortium.