| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Range Of The Crossbill In The Ohio Valley: With Notes On Their Unusual Occurrence In Summer | 978-1-167-148O7-1 (1-167-148O7-X) | 2010 |
A. B. · A. Butler · A. W. · A. William · W. B · W Butler · William B. · William Butler