Columbia subject headings:
Conflict management--Europe--History--To 1500--Congresses.
Culture conflict--Europe--History--To 1500--Congresses.
Europe--History--476-1492--Congresses.
Social conflict--Europe--History--To 1500--Congresses.
Harvard subject headings:
Conflict management--Europe--History--To 1500--Congresses.
Culture conflict--Europe--History--To 1500--Congresses.
Europe--History--476-1492--Congresses.
Social conflict--Europe--History--To 1500--Congresses.
Princeton subject headings:
Conflict management--Europe--History--To 1500--Congresses.
Culture conflict--Europe--History--To 1500--Congresses.
Europe--History--476-1492--Congresses.
Social conflict--Europe--History--To 1500--Congresses.