Columbia subject headings:
Harvard subject headings:
Coins--Rome--History.
Emperors--Rome
Numismatics--Rome--History.
Rome--History--Empire, 30 B.C.-284 A.D.
Rome--Kings and rulers.
Princeton subject headings:
Coins--Rome--History.
Emperors--Rome.
Numismatics--Rome--History.
Rome--History--Empire, 30 B.C.-284 A.D.
Rome--Kings and rulers.