Columbia subject headings:
Rome--History--Republic, 510-30 B.C.
Slavery (Roman law)
Slavery--Rome--History.
Slavery--Rome.
Harvard subject headings:
Rome--History--Republic, 510 B.C.-30 B.C.
Slavery--Rome--History
Princeton subject headings:
Rome--History--Republic, 510-30 B.C.
Slavery--Rome--History.