Columbia subject headings:
Wealth--Europe--History--Congresses.
Wealth--Moral and ethical aspects--Congresses.
Wealth--Political aspects--Congresses.
Harvard subject headings:
Europe--Economic conditions--To 1492--Congresses.
Wealth--History--To 1500--Congresses.
Wealth--Moral and ethical aspects--History--Congresses.
Wealth--Political aspects--History--Congresses.
Wealth--Social aspects--History--Congresses.
Princeton subject headings: