B. D. · Bhikshu Dharmamitra · Boyce A. Drummond
| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Florissant Butterflies: A Guide to the Fossil and Present-Day Species of Central Colorado | Hardcover | 978-0-8047-1938-4 (0-8047-1938-1) | 1992 | Thomas Emmel · Marc Minno |
| Florissant Butterflies: A Guide to the Fossil and Present-Day Species of Central Colorado | Paperback | 978-0-8047-2018-2 (0-8047-2018-5) | 1992 | Thomas Emmel · Marc Minno |