BioStor
 | Description of four new species of Kinosternum John Le Conte (1854) Proc. Acad. Natur. Sci. Philadelphia 7: 180-190 |
 | A large collection of living specimens of Sternothaerus odoratus E Hallowell (1856) Proc. Acad. Nat. Sci. Philadelphia 8: 106-108 |
 | June 17th (1856) Proceedings of The Academy of Natural Sciences of Philadelphia 8: 105-108 |
 | Synopsis of the species of the Chelydrinae E D Cope (1872) Proc. Acad. Nat. Sci. Philadelphia (ser. 3) 24: 22-29 |
 | An annotated checklist and key to the snakes of Mexico H M Smith and E H Taylor (1945) US Natl. Mus. Bull. 187: 1-239 |