Columbia subject headings:
Harvard subject headings:
Coins, Ancient--Congresses.
Coins, Greek--Congresses.
Coins, Medieval--Congresses.
Coins, Roman--Congresses.
Symbolism in art--History--Congresses.
Princeton subject headings:
Coins, Ancient--Congresses.
Coins, Medieval--Congresses.
Symbolism in art--History--Congresses.