Columbia subject headings:
Rome--History--Civil War, 43-31 B.C.--Congresses.
Rome--Politics and government--265-30 B.C.--Congresses.
Harvard subject headings:
Rome--History--Civil War, 43-31 B.C.
Rome--Politics and government--265-30 B.C.
Princeton subject headings:
Rome--History--Civil War, 43-31 B.C.
Rome--Politics and government--265-30 B.C.