Region
- United States--History--Civil War, 1861-1865--Personal narratives, Union 4 results
- United States--History--Civil War, 1861-1865 2 results
- United States--History--Civil War, 1861-1865--Military tactics--Union 2 results
- Philadelphia (Pa.)--History--Civil War, 1861-1865 1 results
- United States--Army--African American troops--History--19th century 1 results
- United States--Colored Troops 1 results
- United States--Colored Troops--History 1 results
- United States--History--Civil War, 1861-1865--24th U. S. Colored Infantry 1 results
- United States--History--Civil War, 1861-1865--Engineering & construction 1 results
- United States--History--Civil War, 1861-1865--Maps 1 results
- United States--History--Civil War, 1861-1865--Participation, African American 1 results
- United States--History--Mexican War, 1845-1848 1 results