Columbia subject headings:
Harvard subject headings:
Augustus, Emperor of Rome, 63 B.C.-14 A.D.
Rome--History--Augustus, 30 B.C.-14 A.D.
Rome--History--Republic, 265 B.C.-30 B.C.
Princeton subject headings:
Augustus, Emperor of Rome, 63 B.C.-14 A.D.
Rome--History--Augustus, 30 B.C.-14 A.D.
Rome--History--Republic, 265-30 B.C.