Region
United States
40
États-Unis
7
New York (State)
3
Pennsylvania
3
California
2
Illinois
2
Latvia
2
Russia
2
San Francisco
2
Slovakia
2
South Africa
2
USA
2
Californie
1
Czechoslovakia
1
Delaware River Valley (N.Y.-Del. and N.J.)
1
England
1
Etats-Unis
1
Förenta staterna
1
France
1
Lettonie
1
Peoria
1
Peoria (Ill.)
1
Philadelphia
1
Philadelphia (Pa.)
1
Philadelphia Region
1
Schuylkill River
1
Southern States
1
Soviet Union
1
Verenigde Staten
1
Virginia
1