Columbia subject headings:
Harvard subject headings:
Edward IV, King of England, 1442-1483.
Great Britain--History--House of York, 1461-1485.
Richard III, King of England, 1452-1485.
Princeton subject headings:
Edward IV, King of England, 1442-1483.
Great Britain--History--House of York, 1461-1485.
Richard III, King of England, 1452-1485.