Region
Pennsylvania
18
Philadelphia
10
Philadelphia (Pa.)
4
Pennsylvanie
3
United States
2
Bethlehem
1
Bethlehem (Pa.)
1
Collegeville
1
Delaware River Valley
1
Delaware River Valley (N.Y.-Del. and N.J.)
1
Exhibitions
1
Kensington (Philadelphia, Pa.)
1
Southern States
1
Stone Valley Recreation Area
1
Stone Valley Recreation Area (Pa.)
1
Washington (D.C.)
1