Columbia subject headings:
Harvard subject headings:
Battles--Rome--History.
Disasters--Rome--History.
Rome--Army.
Rome--History, Military.
Rome--History--Empire, 30 B.C.-284 A.D.
Rome--History--Republic, 265-30 B.C.
Princeton subject headings:
Battles--Rome--History.
Disasters--Rome--History.
Rome--History, Military.
Rome--History--Empire, 284-476.
Rome--History--Empire, 30 B.C.-284 A.D.
Rome--History--Republic, 265-30 B.C.
Rome--History--Republic, 510-265 B.C.