Region
Pennsylvania
Philadelphia
169
Philadelphia (Pa.)
147
Pennsylvanie
109
United States
58
Pittsburgh (Pa.)
33
Pittsburgh
32
Philadelphie
27
New Jersey
20
New York (State)
20
Philadelphie (Penns.)
19
États-Unis
12
Delaware
11
Maryland
10
United States, Pennsylvania
10
Johnstown (Cambria County, Pa.)
8
Johnstown (Cambria County)
7
Ohio River Valley
7
Philadelphia Region
7
Philadelphia Region (Pa.)
6
Philadelphia, Pa
6
Delaware River (N.Y.-Del. and N.J.)
5
Johnstown
5
Mason-Dixon Line
5
New Sweden
5
Virginia
5
Boston
4
England
4
Homestead
4
Homestead (Pa.)
4
Lancaster County
4
Lancaster County (Pa.)
4
Massachusetts
4
New York (État)
4
Schwarze
4
Washington (D.C.)
4
Washington County (Pa.)
4
Atlantic States
3
Bethlehem
3
Bethlehem (Pa.)
3
Boston (Mass.)
3
Delaware (N.Y.-Del. et N.J. : Fleuve)
3
Delaware River
3
Great Britain
3
Hopewell Furnace National Historic Site (Pa.)
3
New England
3
Niagara Falls (N.Y. and Ont.)
3
North America
3
Ohio
3
Pittsburgh (Penns.)
3
more ...