Columbia subject headings:
African Americans--Civil rights--Southern States.
African Americans--Southern States--Economic conditions.
Freed persons.
Working class--Southern States--History.
Harvard subject headings:
African Americans--Civil rights--Southern States
African Americans--Southern States--Economic conditions.
Forced labor--Southern States--History.
Freed persons
Working class--Southern States--History.
Princeton subject headings:
African Americans--Civil rights--Southern States.
African Americans--Southern States--Economic conditions.
Forced labor--Southern States--History.
Freed persons.
Working class--Southern States--History.