Region
Abbott Farm National Landmark (Trenton, N.J.)
1
Delaware
6
Kent County (Del.)
1
New Castle County
5
New Castle County (Del.)
5
New England
1
New Jersey
1
North America
1
Pennsylvania
4
Pennsylvanie
1
Philadelphia
4
Philadelphia (Pa.)
3
Philadelphie
1
South America
1
Trenton Region
1
Trenton Region (N.J.)
1
United States
1