| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2000 | 978-0-917127-13-7 | Charles M. Snyder · John W. Downie · Lois Kalp · Jeannette Lasansky | Union County Pennsylvania: A Celebration of History |
| 2007 | 978-0-917127-18-2 | Union County Historical Society | Samuel Dale (1741-1804): A Life and Estate in Union County |