Region
America
2
Canada
1
Columbia
1
Columbia (Pa.)
1
Delaware
2
Delaware River Valley
2
Delaware River Valley (N.Y.-Del. and N.J.)
2
Delaware, Vallée de la (N.Y.-Del. et N.J.)
1
États-Unis
2
Maryland
2
New Jersey
2
New Sweden
2
Pennsylvania
Pennsylvanie
1
Philadelphia
2
Sweden
2
United States
6
Western Hemisphere
2