Columbia subject headings:
African Americans--Crimes against.
Refugees, Southern.
United States--History--Civil War, 1861-1865--Prisoners and prisons.
Harvard subject headings:
African Americans--Crimes against
Refugees, Southern.
United States--History--Civil War, 1861-1865--Prisoners and prisons.
Princeton subject headings:
Refugees, Southern.
United States--History--Civil War, 1861-1865--Prisoners and prisons.