| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Anthracite Roots: Generations of Coal Mining in Schuylkill County, Pennsylvania | 978-1-59629-O5O-1 (1-59629-O5O-1) | 2005 |
I.L. · J. I. · J. L. · J. Leonard · J. W. · J.W. Leonard · Joseph W. · Joseph W. Leonard · W.L.