Other
United States
21
New York (State)
5
Pennsylvania
4
West (U.S.)
3
Düsseldorf
2
Düsseldorf (Allemagne)
2
Germany
2
Philadelphia
2
Allemagne
1
États-Unis
1
Genesee River Valley (Pa. and N.Y.)
1
Genesee region (N.Y.)
1
New Jersey
1
Northeastern States
1
Pittsburgh
1
Pittsburgh (Pa.)
1
South Carolina
1