BioStor
Crotalus oreganus HOLBROOK 1840
 | A key to the rattlesnakes with summary of charateristics Laurence M Klauber (1936) Transactions of the San Diego Society of Natural History 8: 185-276 |
 | 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 |
 | Some new and revived subspecies of rattlesnakes Laurence M Klauber (1949) Transactions of the San Diego Society of Natural History 11: 61-116 |
 | Catalogue of type specimens of reptiles and amphibians in Chicago Natural History Museum Hymen Marx (1958) Fieldiana, Zool. 36(4): 407-496 |
 | Type specimens of reptiles and amphibians in the United States National Museum (1961) Bulletin of the United States National Museum 220: 1-291 |
 | Evolution of the pit vipers Bayard H Brattstrom (1964) Transactions of the San Diego Society of Natural History 13: 185-268 |
 | Type specimens of amphibians and reptiles in the San Diego Natural History Museum Gregory K Pregill and James E Berrian (1984) Transactions of the San Diego Society of Natural History 20: 151-164 |