Columbia subject headings:
African Americans--History--1863-1877--Sources.
Freed persons--Biography.
Slaves--Emancipation--United States--History--Sources.
United States--History--Civil War, 1861-1865--African Americans--Sources.
Harvard subject headings:
African Americans--History--1863-1877--Sources.
Freed persons--Biography.
Slaves--Emancipation--United States--History--Sources.
United States--History--Civil War, 1861-1865--African Americans--Sources.
Princeton subject headings:
African Americans--History--1863-1877--Sources.
Freed persons--Biography.
Slaves--Emancipation--United States--History--Sources.
United States--History--Civil War, 1861-1865--African Americans--Sources.