Columbia subject headings:
Arundel and Surrey, Richard Fitzalan, Earl of, 1346-1397.
Great Britain--History--Richard II, 1377-1399.
Henry IV, King of England, 1367-1413.
Norfolk, Thomas Mowbray, Duke of, 1366-1399.
Thomas, Duke of Gloucester, 1355-1397.
Warwick, Thomas de Beauchamp, Earl of, approximately 1339-1401.
Harvard subject headings:
Arundel and Surrey, Richard Fitzalan, Earl of, 1346-1397
Great Britain--History--Richard II, 1377-1399
Henry IV, King of England, 1367-1413
Norfolk, Thomas Mowbray, Duke of, 1366-1399.
Thomas, Duke of Gloucester, 1355-1397
Warwick, Thomas de Beauchamp, Earl of, approximately 1339-1401
Princeton subject headings: