Region
Pennsylvania
20
Pennsylvanie
Philadelphia
10
Philadelphie
10
Germany
4
Philadelphia (Pa.)
4
United States
3
Allemagne
2
États-Unis
2
Czech Republic
1
England
1
Germantown
1
Germantown (Philadelphia, Pa.)
1
Gettysburg
1
Lancaster County
1
Lancaster County (Pa.)
1
Lehigh River Valley
1
London
1
Marseille, 1720
1
Mülheim (Ruhr)
1
Mülheim an der Ruhr
1
Mülheim an der Ruhr (Germany)
1
Philadelphie (Penns.)
1
Prague
1
Prague (Czech Republic)
1
Saxe
1
Saxony
1
Schriesheim
1
Schriesheim (Germany)
1
Schuylkill County
1
United States, Pennsylvania
1
Wissahickon Creek Region (Pa.)
1