m r · Marion Rittmann · Marion Rothman · Miriam Rothman
Monterey Bay Aquarium · University of California Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Sea Otters | 978-1-878244-03-1 (1-878244-03-5) | 1990 |
| The Pinnipeds: Seals, Sea Lions, and Walruses | 978-0-520-06498-0 (0-520-06498-4) | 1991 |