| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| National Audubon Society Pocket Guide to Songbirds and Familiar Backyard Birds: Eastern Region | 978-O-679-74926-4 (O-679-74926-8) | 1994 |
R. P. · R. Petersen · W.P. · W. Petersen · W R. · Wayne Petersen · Wayne R.