S H · S R · S Ridgeway · Sam R.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Handbook of Marine Mammals - Vol 1: The Walrus, Sea Lions, Fur Seals and Sea Otter | 978-0-12-588501-0 (0-12-588501-6) | 1981 | Richard J Harrison |
| Handbook of Marine Mammals, Volume 2: Seals | 978-0-12-588502-7 (0-12-588502-4) | 1981 | |