BioStor
Pituophis catenifer BLAINVILLE 1835
 | A critical review of the characters and variations of the snakes of North America E D Cope (1892) Proc. US Natl. Mus. 14: 589-694 |
 | A Review of the Genera and Species of American Snakes, North of Mexico Arthur Erwin Brown (1901) Proceedings of The Academy of Natural Sciences of Philadelphia 53: 10-110 |
 | XXIV.—Preliminary note on certain points in the anatomy of Eryx and other Boidæ, partly indicative of their Basal position among the Ophidia Frank E Beddard (1904) Annals And Magazine of Natural History 13: 233-236 |
 | 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 |
 | Variations and relationships in the snakes of the genus Pituophis Olive Griffith Stull (1940) Bulletin of the United States National Museum 175: 1-225 |
 | The gopher snakes of Baja California, with descriptions of new subspecies of Pituophis catenifer Laurence M Klauber (1946) Transactions of the San Diego Society of Natural History 11: 1-40 |