Region
United States
24
Pennsylvania
7
Philadelphia
4
Virginia
4
États-Unis
2
West (U.S.)
2
Alexandria
1
Brandywine Creek Valley
1
Brandywine Creek Valley (Pa. and Del.)
1
Brandywine, Vallée de la (Penns. et Del.)
1
Delaware
1
Fairfax County (Va.)
1
Hawaii
1
Maui
1
New Jersey
1
New York (State)
1
Philadelphia Region
1
Pittsburgh
1
Pittsburgh (Pa.)
1
State College
1