Richard G · Richard Gorsuch · Ryszard Gerszewski · Ryszard Grzesik
| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Birds of Costa Rica | Paperback | 978-1-4729-1653-2 | 2014 | |
| Birds of Costa Rica | " | 978-0-7136-8369-1 | 2007 | |
| The Birds of Costa Rica: A Field Guide | " | 978-0-8014-7988-5 | 2014 | |
| The Birds of Costa Rica: A Field Guide | Hardcover | 978-0-8014-4587-3 | 2007 | Robert Dean |
| The Birds of Costa Rica: A Field Guide | Paperback | 978-0-8014-7373-9 | 2007 | " |
A & C Black · A & C Black Publishers Ltd · Cornell University Press