Alexander F. Gary Stiles · F. Gary Stiles · G S · Gerry Stellwagen
A & C Black Publishers Ltd · Cornell University Press
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| A Guide to the Birds of Costa Rica | 978-0-8014-9600-4 (0-8014-9600-4) | 1989 | Alexander F. Skutch |
| Guide to the Birds of Costa Rica | 978-0-7136-3512-6 (0-7136-3512-6) | 1991 | " |