| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Who's Who in Pennsylvania: A Biographical Dictionary of Contemporaries | 978-1-112-151O1-9 (1-112-151O1-X) | 2009 |
J. L. · J. Leonard · J. W. · J.W. Leonard · John L. · John Leonard · John W. · John W. Leonard · John William · W.L. · William L. · William Leonard