| Authors(s) | Keen, A. M. |
| Year | 1971 |
| Title | Sea shells of tropical West America. Stanford (Stanford University Press): 1-1064, 22 pls. |
| Authors(s) | Keen, A. M. |
| Year | 1971 |
| Title | Sea shells of tropical West America. Stanford (Stanford University Press): 1-1064, 22 pls. |