Region
Pennsylvania
17
Pennsylvanie
Philadelphia
9
Philadelphie
7
Philadelphia (Pa.)
6
Germany
4
United States
3
Allemagne
2
Germantown
2
Germantown (Philadelphia, Pa.)
2
United States, Pennsylvania
2
Düsseldorf
1
Düsseldorf (Germany)
1
Elk
1
Elk County
1
Elk County (Pa.)
1
États-Unis
1
Mülheim (Ruhr)
1
Mülheim an der Ruhr
1
Mülheim an der Ruhr (Germany)
1
Pennsylvanie (États-Unis)
1
Pennsylvanie (États-Unis)
1
Schriesheim
1
Schriesheim (Germany)
1
Schuylkill County
1
Switzerland
1
Wissahickon Creek Region (Pa.)
1