Columbia subject headings:
Great Britain--History--Lancaster and York, 1399-1485.
Great Britain--History--Richard II, 1377-1399.
Great Britain--History--Wars of the Roses, 1455-1485.
Lancaster, House of.
York, House of.
Harvard subject headings:
Princeton subject headings:
Great Britain--History--Lancaster and York, 1399-1485.
Great Britain--History--Richard II, 1377-1399.
Great Britain--History--Wars of the Roses, 1455-1485.
Lancaster, House of.
York, House of.