Columbia subject headings:
Slaves--United States--Bibliography.
Slaves--United States--Historiography.
Slaves--United States--Social conditions--Bibliography.
Slaves--United States--Social conditions--Historiography.
Harvard subject headings:
Slaves--United States--Bibliography.
Slaves--United States--Historiography.
Slaves--United States--Social conditions--Bibliography.
Slaves--United States--Social conditions--Historiography.
Princeton subject headings:
Slaves--United States--Bibliography.
Slaves--United States--Historiography.
Slaves--United States--Social conditions--Bibliography.
Slaves--United States--Social conditions--Historiography.