Columbia subject headings:
Coinage--Greece--History--Congresses.
Coinage--Rome--History--Congresses.
Coins, Greek--Congresses.
Coins, Roman--Congresses.
Money--Greece--History--Congresses.
Money--Rome--History--Congresses.
Harvard subject headings:
Coinage--Greece--History--Congresses.
Coinage--Rome--History--Congresses.
Coins, Greek--Congresses.
Coins, Roman--Congresses.
Money--Greece--History--Congresses.
Money--Rome--History--Congresses.
Princeton subject headings:
Coins, Greek--Congresses.
Money--Greece--History--Congresses.
Numismatics, Greek--Congresses.