| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Edible Wild Plants of Pennsylvania and Neighboring States | Paperback | 978-0-271-02919-1 (0-271-02919-6) | 2006 |
| Edible Wild Plants of Pennsylvania and Neighboring States | Hardcover | 978-0-271-00690-1 (0-271-00690-0) | 1990 |
A. L. · A.M. · M.-L. · Mary L. · R. A. · R A. L. · R. L · R. M. · Richard A. · Richard & · Richard L. · Richard M.