Columbia subject headings:
Harvard subject headings:
Freed persons--Legal status, laws, etc.--United States--Cases.
Slaveholders--Legal status, laws, etc.--United States--Cases.
Slavery--Law and legislation--United States--Cases.
Princeton subject headings:
Freed persons--Legal status, laws, etc.--United States--Cases.
Slaveholders--Legal status, laws, etc.--United States--Cases.
Slavery--Law and legislation--United States--Cases.