Columbia subject headings:
Liberty.
Reconstruction (U.S. history, 1865-1877)
Slaves--Emancipation--United States.
Working class--United States--History--19th century.
Harvard subject headings:
Liberty.
Reconstruction (U.S. history, 1865-1877)
Reconstruction.
Slaves--Emancipation
Slaves--Emancipation--United States
Working class--United States--History--19th century
Princeton subject headings:
Liberty.
Reconstruction (U.S. history, 1865-1877)
Slaves--Emancipation--United States.
Working class--United States--History--19th century.