Columbia subject headings:
Great Britain--History--Henry VII, 1485-1509.
Great Britain--History--Lancaster and York, 1399-1485.
Harvard subject headings:
Great Britain--History--Henry VII, 1485-1509.
Great Britain--History--Lancaster and York, 1399-1485
Princeton subject headings:
Great Britain--History--Henry VII, 1485-1509.
Great Britain--History--Lancaster and York, 1399-1485.