BioStor
 | Description of Seven New Species of American Birds from Various Localities, with a Note on Zonotrichia melanotis (1868) Proceedings of The Academy of Natural Sciences of Philadelphia 20: 359-430 |
 | East African reptiles and amphibians in the United States National Museum A Loveridge (1929) Bulletin of the United States National Museum 151: 1-135 |
 | Checklist of the reptiles and amphibians of East Africa A Loveridge (1957) Bulletin of The Museum of Comparative Zoology 117: 151-362 |
 | Catalogue of the Neotropical Squamata. Part I. Snakes James A Peters and Braulio Orejas-Miranda (1970) Bulletin United States National Museum 297: 1-347 |