Region
Philadelphia (Pa.)
6
Pennsylvania
3
Philadelphia
3
United States
2
Germantown
1
Ireland
1
Maryland
1
Penn
1
Ulster (Northern Ireland and Ireland)
1
United States--History--Civil War, 1861-1865
1
United States--History--Civil War, 1861-1865--Engineering & construction
1
United States--History--Civil War, 1861-1865--Maps
1
United States--History--Civil War, 1861-1865--Military tactics--Union
1
United States--History--Civil War, 1861-1865--Personal narratives, Union
1
Virginia
1
Washington (D.C.)
1