Region
20th century
1
Alexandria
1
Baltimore
2
Berks County
1
Boston
1
Brandywine Creek Valley
1
Brandywine Creek Valley (Pa. and Del.)
2
Brandywine, Vallée de la (Penns. et Del.)
1
Bucks County
1
California
2
Canada
2
Charleston
1
Charleston Co
1
Chester Co
1
Chester County
1
Chester County (Pa.)
3
Chicago
1
Christiansburg
1
Clinton
1
Connecticut
1
Cook Co
1
Costa Rica
1
Delaware
3
Delaware County
1
Delaware County (Pa.)
1
England
2
Europe
1
États-Unis
8
Fairfax County (Va.)
1
Fairmount Park (Philadelphia, Pa.)--History--Pictorial works
1
Florida
1
Floride
1
Foreign countries
2
France
3
Frankrike
1
Germantown
1
Great Britain
2
Harrisburg
1
Hawaii
1
Illinois
1
Kentucky
1
Lancaster
2
Latin America
1
Lehigh County (Pa.)
2
Lithuania
2
Lituanie
1
London
1
London (England)
1
Louisiana
1
Lycoming Co
1
more ...