Enhydra lutris nereis (Merriam, 1904)
| Expedition to Guadalupe Island, Mexico in 1922. The birds and mammals Alfred W Anthony (1925) Proceedings of the California Academy of Sciences 14: 277-320 | |
| Catalog of the type specimens of mammals in the United States National Museum, including the biological surveys collection Arthur J Poole and Viola S Schantz (1942) Bulletin - United States National Museum 178: 1-705 | |
| SUBLITTORAL ECOLOGY OF KELP BEDS OF THE OPEN COAST AREA NEAR CARMEL, CALIFORNIA James H Mclean (1962) Biol Bull 122: 95-114 | |
| The taxonomic status of the southern sea otter John Davis and William Z Lidicker Jr (1975) Proceedings of the California Academy of Sciences 40: 429-437 |