Region
19th century
1
Accomack County
1
Accomack County (Va.)
1
Adams County
18
Adams County (Pa.)
21
Alabama
6
Albemarle Co
1
Allegany County
1
Allegheny County
1
Allegheny County (Pa.)
1
Allegheny River Valley (Pa. and N.Y.)
1
Allemagne
3
Alsace
1
America
2
Amérique
1
Amérique du Nord
3
Amherst County
1
Amherst County (Va.)
1
Angleterre
2
Annapolis (Md.)
1
Anne Arundel Co
1
Anne Arundel County
2
Anne Arundel County (Md.)
3
Apollo (Kiskiminetas Township, Armstrong County, Pa.)
1
Arizona
3
Arkansas
3
Arkansas County
1
Arkansas County (Ark.)
1
Armstrong County (Pa.)
2
Atlantic States
1
Atlas
1
Augusta Co
1
Austria
1
Austria.20
1
Baden (Germany)
1
Baden-Württemberg
1
Baltimore
7
Baltimore (Md.)
7
Baltimore County
5
Baltimore County (Md.)
4
Beaver Co
1
Beaver County
1
Beaver County (Pa.)
1
Bedford Co
1
Bedford County
2
Bedford County (Pa.)
17
Berkeley
1
Berkeley Co
1
Berks County
7
Berks County (Pa.)
34
more ...