Region
United States
11
Germany
5
Missouri
4
Saint Louis
4
Canada
3
Pennsylvania
3
Philadelphia (Pa.)
3
Massachusetts
2
Philadelphia
2
Saint Louis (Mo.)
2
Allemagne
1
Brandywine Creek Valley (Pa. and Del.)
1
British Isles
1
Delaware
1
Deutschland
1
Europe
1
Great Britain
1
Montgomery County
1
New England
1
Northeast Philadelphia (Philadelphia, Pa.)
1
Russia
1
Scotland
1