Region
Pennsylvania
6
United States
3
Delaware River Valley (N.Y.-Del. and N.J.)
2
Philadelphia
2
Philadelphia (Pa.)
2
Delaware River Valley
1
Delaware, Vallée de la (N.Y.-Del. et N.J.)
1
Philadelphia County
1
Philadelphia County (Pa.)
1
United States, Delaware, New Castle
1
United States, New Jersey, Burlington
1
United States, Pennsylvania, Delaware
1
United States, Pennsylvania, Philadelphia
1