J. G. · John G. · John Grassy Jane P. Resnic Donald Olson
Random House · St. Martin's Press
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Audubon Guide to the National Wildlife Refuges: Northern Midwest: Illinois, Indiana, Iowa, Michigan, Minnesota, Nebraska, North Dakota, Ohio, South ... Guides to the National Wildlife Refuges) | 978-0-312-24315-9 (0-312-24315-4) | 2000 | Tom Powers |
| Audubon Guide to the National Wildlife Refuges: Rocky Mountains: Idaho, Colorado, Montana, Utah, Wyoming | 978-0-312-24574-0 (0-312-24574-2) | 2000 | Theodore Roosevelt IV |
| National Audubon Society Field Guide to the Rocky Mountain States | 978-0-679-44681-1 (0-679-44681-8) | 1999 | Peter Alden |