| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| History of Northampton, Lehigh, Monroe, Carbon, and Schuylkill counties: containing a brief history of the first settlers, topography of township, notices of leading events, incidents, and interesting facts in the early history of these counties: with an | 978-93-33O-62O1-5 (93-33O-62O1-7) | 2013 |