Leptotyphlops humilis BAIRD & GIRARD 1853
| 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 | |
| Notes on the worm snakes of the southwest, with descriptions of two new subspecies Laurence M Klauber (1931) Transactions of the San Diego Society of Natural History 6: 333-352 | |
| The worm snakes of the genus Leptotyphlops in the United States and Northern Mexico Laurence M Klauber (1940) Transactions of the San Diego Society of Natural History 9: 87-162 |