Region
United States
5
Canada
3
England
3
États-Unis
3
Pennsylvania
3
America
2
Angleterre
2
Delaware
2
Delaware River Valley
2
Delaware River Valley (N.Y.-Del. and N.J.)
2
Maryland
2
New Jersey
2
New Sweden
2
Norvège
2
Norway
2
Ouvrages avant 1800
2
Pennsylvanie
2
Sweden
2
Western Hemisphere
2
Delaware, Vallée de la (N.Y.-Del. et N.J.)
1