Columbia subject headings:
Harvard subject headings:
Antonius, Marcus, 83? B.C.-30 B.C.
Augustus, Emperor of Rome, 63 B.C.-14 A.D.
Caesar, Julius
Rome--History--53 B.C.-44 B.C.
Rome--History--Civil War, 43 B.C.-31 B.C.
Princeton subject headings:
Rome--History--53-44 B.C.
Rome--History--Civil War, 43-31 B.C.
Rome--Politics and government--265-30 B.C.