- Photographers Collections--Biscoe, Thomas, and Walter.✖[remove]167
- Piedmont, Battle of, Piedmont, Va., 1864.4
- Post office buildings--West Virginia--Cox's Mill.1
- Psychiatric hospitals--West Virginia--Weston.1
- Quarries and quarrying.1
- Railroad bridges--Virginia--Shenandoah River, North Fork.1
- Rich Mountain, Battle of, W. Va., 1861.9
- Rivers.4
- Roads--West Virginia--Auburn.2
- Rooms.1
- Rural roads--Maryland.2
- Rural roads--Pennsylvania.1
- Rural roads.1
- School buildings.1
- Stone bridges--Virginia.1
- Stone houses--Virginia--Cedar Creek.1
- Stone houses--West Virginia--Halltown.1
- Streets--West Virginia--Weston.1
- Taverns (Inns)--Maryland.1
- Toll roads--Maryland.1