Columbia subject headings:
Harvard subject headings:
Rome--History--Augustus, 30 B.C.-14 A.D.
Rome--History--Republic, 510-30 B.C.
Rome--History--To 510 B.C.
Princeton subject headings:
Rome--History--Augustus, 30 B.C.-14 A.D.
Rome--History--Republic, 510-30 B.C.
Rome--History--To 510 B.C.