• [Wiki] http://en.wikipedia.org/wiki/Thamnophis_radix.
• [EoL] https://eol.org/pages/1055205.
• [ADW] https://animaldiversity.org/accounts/Thamnophis_radix/.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [StanKing2004] Stanford, K. M. and King, R. B. (2004). Growth, survival, and reproduction in a northern Illinois population of the plains gartersnake, Thamnophis radix. Copeia, 2004(3):465--478.