Columbia subject headings:
Coinage--Netherlands--Congresses.
Coins, Flemish--Congresses.
Coins, Medieval--Netherlands--Congresses.
Harvard subject headings:
Coinage--Netherlands--Congresses.
Coins, Flemish--Congresses.
Coins, Medieval--Netherlands--Congresses.
Princeton subject headings:
Coinage--Benelux countries--Congresses.
Coins--Benelux countries--Congresses.