Columbia subject headings:
African Americans--Civil rights.
Freed persons.
United States. Bureau of Refugees, Freedmen, and Abandoned Lands.
Harvard subject headings:
African Americans--Civil rights
Freed persons
United States. Bureau of Refugees, Freedmen, and Abandoned Lands
Princeton subject headings:
African Americans--Civil rights.
Freed persons.
United States. Bureau of Refugees, Freedmen, and Abandoned Lands