Columbia subject headings:
Great Britain--History--House of Lancaster, 1399-1461.
Great Britain--History--Lancaster and York, 1399-1485.
Great Britain--History--Norman period, 1066-1154.
Great Britain--History--Plantagenets, 1154-1399.
Normandy (France)--History.
Harvard subject headings:
Great Britain--History--Lancaster and York, 1399-1485
Great Britain--History--Norman period, 1066-1154.
Great Britain--History--Plantagenets, 1154-1399.
Normandy (France)--History.
Princeton subject headings: