Region
- Allegheny County (Pa.)--History 1 results
- Cambria County (Pa.)--History 1 results
- Cambria County (Pa.)--Maps 1 results
- Crawford County (Pa.)--History 1 results
- Erie County (Pa.)--History 1 results
- Erie County (Pa.)--Maps 1 results
- Indiana County (Pa.)--History 1 results
- Indiana County (Pa.)--Maps 1 results