Region
Pittsburgh
Pennsylvania
298
Pittsburgh (Pa.)
110
United States
38
Allegheny County (Pa.)
18
Allegheny Co
16
Allegheny County
10
Penn
10
Allegheny
9
Pennsylvanie
9
Philadelphia
9
Chicago
5
Chicago (Ill.)
5
Illinois
5
Ohio
5
États-Unis
4
New Jersey
4
North Side
4
North Side (Pittsburgh, Pa.)
4
Ohio River
4
Philadelphia (Pa.)
4
Allegheny (Pittsburgh, Pa.)
3
Allegheny River (Pa. and N.Y.)
3
Monongahela River (W. Va. and Pa.)
3
Baltimore
2
Berks County (Pa.)
2
Canada
2
Cleveland
2
Cleveland (Ohio)
2
Fort Duquesne
2
Fort Duquesne (Pa.)
2
Fort Duquesne (Penns.)
2
Fort Duquesne (Pittsburgh, Penns.)
2
Mahoning County
2
Mahoning County (Ohio)
2
Maryland
2
Nouvelle-France
2
Park Ridge
2
Park Ridge (Ill.)
2
Perth Amboy
2
Perth Amboy (N.J.)
2
Point State Park (Pittsburgh, Pa.)
2
Reading
2
Reading (Pa.)
2
Youngstown
2
Youngstown (Ohio)
2
20th century
1
Allegheny City
1
Allegheny, Pennsylvania
1
Apollo
1
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