Region
United States
43
Pennsylvania
12
Philadelphia
6
Washington (D.C.)
6
New Jersey
3
New York (State)
3
Penn
3
California
2
Delaware
2
Delaware River (N.Y.-Del. and N.J.)
2
États-Unis
2
Massachusetts
2
New Hampshire
2
Philadelphia (Pa.)
2
Rhode Island
2
West Virginia
2
Wheeling Bridge (Wheeling, W. Va.)
2
Alabama
1
Cambridge
1
Chicago Sanitary District
1
City of Fort Wayne (Indiana)
1
Cuba
1
Delaware River
1
Delaware Valley
1
Easton (Pa.)
1
Great Britain
1
Jefferson Co
1
Kansas--History--1854-1861
1
Liberia
1
Mass
1
Middlesex Co
1
Mississippi
1
New York
1
Northampton County (Pa.)
1
Ohio
1
Ohio River
1
Otsego Co
1
Pennsylvania--Politics and government
1
Pennsylvanie
1
Philadelphie
1
Spain
1
Steubenville
1
United States--Emigration and immigration
1
United States--Foreign relations
1
United States--History--Civil War, 1861-1865
1
United States--Politics and government
1
United States--Politics and government--1789-1809
1
Utah--History--Civil War, 1861-1865
1
Virginia
1
Wheeling
1
more ...