Region
United States--History--Civil War, 1861-1865
United States--History--Civil War, 1861-1865--Maps
2
United States--History--Civil War, 1861-1865--Military tactics--Union
2
Maryland. Constitution (1864)
1
United States--Army--Recruiting, enlistment, etc.--Civil War, 1861-1865
1
United States--History--Civil War, 1861-1865--Campaigns & battles--Virginia
1
United States--History--Civil War, 1861-1865--Engineering & construction
1
United States--History--Civil War, 1861-1865--Participation, African American, [Indian, etc.]
1
United States--History--Civil War, 1861-1865--Personal narratives, Union
1