| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| A Field Guide to Eastern Butterflies | Paperback | 978-0-395-90453-4 | 1998 | |
| A Field Guide to Western Butterflies | " | 978-0-395-79151-6 | 1999 | James W. Tilden |
| A Field Guide to Western Butterflies | Hardcover | 978-0-395-79152-3 | 1999 | " |
| Butterflies of the West | " | 978-0-19-509034-5 | Ray E. Stanford | |
| Handbook to North American Butterflies: East and Midwest | " | 978-0-19-515440-5 | George O. Krizek | |
| Moths of Western North America | " | 978-0-520-25197-7 | 2009 | Jerry A. Powell |
| Peterson First Guide to Butterflies and Moths | Paperback | 978-0-395-90665-1 | 1998 | |
| The Complete Book of North American Butterflies | " | 978-1-60710-276-2 | 2011 | |
A. o · Dr Paul A Opler · P. A. · Paul A. · Paul O. · Paul Opler
Houghton Mifflin · Oxford University Press · University of California Press