Columbia subject headings:
Rome--Army--Equipment--Congresses.
Rome--Military antiquities--Congresses.
Harvard subject headings:
Armor--Rome--Congresses.
Military weapons--Rome--Congresses.
Rome--Army--Congresses.
Rome--Military antiquities--Congresses.
Weapons--Rome--Congresses.
Princeton subject headings:
Military weapons--Rome--Congresses.
Rome--Army--Congresses.
Rome--Military antiquities--Congresses.