Columbia subject headings:
Harvard subject headings:
France--History--Medieval period, 987-1515--Congresses.
Great Britain--History--Medieval period, 1066-1485.
Military art and science--France--History--Medieval, 1066-1485--Congresses.
Military art and science--Great Britain--History--Medieval, 500-1500--Congresses.
Princeton subject headings:
France--History--Medieval period, 987-1515--Congresses.
Great Britain--History--Medieval period, 1066-1485--Congresses.
Military art and science--France--History--Medieval , 1066-1485--Congresses.
Military art and science--Great Britain--History--Medieval, 500-1500--Congresses.