Other
Pennsylvania
Philadelphia
133
Philadelphia (Pa.)
51
Penn
23
United States
22
Pennsylvanie
21
Pittsburgh
16
Philadelphie
11
Pittsburgh (Pa.)
9
États-Unis
5
France
3
Merion
3
Bucks County
2
Harrisburg
2
New Jersey
2
Philadelphia Region
2
Philadelphie (Penns.)
2
Puerto Rico
2
Roxborough
2
Society Hill
2
20th century
1
Adams Co
1
Alexandria
1
Alexandria (Pa.)
1
Allemagne
1
America
1
Amérique
1
Baltimore
1
Benjamin Franklin Parkway (Philadelphia, Pa.)
1
Bethlehem Steel Company
1
Butler County
1
Butler County (Pa.)
1
Canada
1
Clarion County
1
Clarion County (Pa.)
1
Cornwall
1
Crop yields
1
Düsseldorf
1
Düsseldorf (Germany)
1
Eagles Mere
1
Europe, Eastern
1
Germantown (Philadelphia, Pa.)
1
Germany
1
Glenside
1
Harrisburg (Pa.)
1
Hill District (Pittsburgh, Pa.)
1
Homestead
1
Homestead (Pa.)
1
Hunterdon County
1
Iraq
1
more ...