| Notes on snakes from Yucatán K E Schmidt and E W Andrews (1936) Field Mus. Nat Hist. Zool. Ser. 20: 167-187 | |
| Notes on the Mexican snakes of the genus Leptodeira, with a proposal of a new snake genus, Pseudoleptodeira E H Taylor (1938) University of Kansas Science Bulletin 25: 315-355 | |
| The amphibians and reptiles of British Honduras K P Schmidt (1941) Field Museum of Natural History Publication. Zoological Series 22: 475-510 |