Pituophis melanoleucus DAUDIN 1803
| The Gopher-snakes of Western North America John Van Denburgh and Joseph R Slevin (1919) Proceedings of the Calaifornia Academy of Sciences 9: 197-220 | |
| Notes on the herpetology of New Mexico, with a list of species known from that state John Van Denburgh (1924) Proceedings of the California Academy of Sciences 13: 189-230 | |
| Variations and relationships in the snakes of the genus Pituophis Olive Griffith Stull (1940) Bulletin of the United States National Museum 175: 1-225 |