Region
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Southern States
4
USA
4
Ukraine
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Ann Arbor
3
Baltimore
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Georgia
3
Kentucky
3
Maine
3
Merion
3
New York (État)
3
Pologne
3
Porto Rico
3
Reading
3
South Carolina
3
Suisse
3
Switzerland
3
Wales
3
West Indies
3
West Virginia
3
Winterthur
3
Albany
2
Angleterre
2
Asylum
2
Asylum (Pa.)
2
Atlantic City (N.J.)
2
Australia
2
Austria
2
Berks County (Pa.)
2
Bucks County (Pa.)
2
Burlington
2
Chapel Hill
2
China
2
Czechoslovakia
2
Dallas
2
Finland
2
Harrisburg
2
Independence National Historical Park (Philadelphia, Pa.)
2
Indiana
2
Jordanville
2
Lucerne
2
Mexico
2
Middle Atlantic States
2
Netherlands
2
Newark
2
Philippines
2
Richmond
2
Saratoga Springs
2
Slovakia
2
Swarthmore
2
Syracuse
2
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