Books Available by Pennsylvania Counties
| Adams | Clinton | Lackawanna | Pike |
| Allegheny | Columbia | Lancaster | Potter |
| Armstrong | Crawford | Lawrence | Schuylkill |
| Beaver | Cumberland | Lebanon | Snyder |
| Bedford | Dauphin | Lehigh | Somerset |
| Berks | Delaware | Luzerne | Sullivan |
| Blair | Elk | Lycoming | Susquehanna |
| Bradford | Erie | Mercer | Tioga |
| Bucks | Fayette | Mifflin | Union |
| Butler | Forest | Monroe | Venango |
| Cambria | Franklin | Montgomery | Warren |
| Cameron | Fulton | Montour | Washington |
| Carbon | Greene | McKean | Wayne |
| Centre | Huntingdon | Northampton | Westmoreland |
| Chester | Indiana | Northumberland | Wyoming |
| Clarion | Jefferson | Perry | York |
| Clearfield | Juniata | Philadelphia |