Region
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Ohio River Valley
2
Park Ridge
2
Park Ridge (Ill.)
2
Perth Amboy
2
Perth Amboy (N.J.)
2
Pittsburgh Metropolitan Area
2
Pittsburgh region (Pa.)
2
Pittsburgh, Pa
2
Poland
2
Reading
2
Reading (Pa.)
2
Scranton (Pa.)
2
Western Pennsylvania
2
Youngstown
2
Youngstown (Ohio)
2
20th century
1
Alexandria (Va.)
1
Allegheny City
1
Allegheny City (Pa.)
1
Allegheny River Valley (Pa. and N.Y.)
1
Allegheny, Pa
1
Allegheny, Pennsylvania
1
Apollo
1
Apollo (Pa.)
1
Armstrong County (Pa.)
1
Baltimore (Md.)
1
Boston (Ma.)
1
Buffalo (N.Y.)
1
Camp High Point Park (N.J.)
1
Congregational
1
Cumberland County (Pa.)
1
Czechoslovakia
1
Davis Island Dam (Pa.)
1
East Liberty (Pittsburgh, Pa.)
1
Europe, Eastern
1
Fairmount Park (Philadelphia, Pa.)
1
Farrell (Pa.)
1
Fort Pitt (Penns.)
1
George Westinghouse Memorial Bridge (Pittsburgh, Pa.)
1
Hampton (Allegheny County, Pa.)
1
Hampton (Pa. : Township)
1
Hampton (Township)
1
High Point
1
Hill District (Pittsburgh, Pa.)
1
Homestead (Pa.)
1
Homewood-Brushton (Pittsburgh, Pa.)
1
Houston (Tex.)
1
India, South
1
Indiana
1
Indiana County (Pa.)
1
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