Columbia subject headings:
Great Britain--History--Edward II, 1307-1327.
Great Britain--History--Richard II, 1377-1399.
Harvard subject headings:
Edward I, King of England, 1239-1307.
Edward II, King of England, 1284-1327.
Edward III, King of England, 1312-1377.
Great Britain--History--Edward II, 1307-1327
Great Britain--History--Richard II, 1377-1399.
Richard II, King of England, 1367-1400
Princeton subject headings:
Great Britain--History--Edward II, 1307-1327.
Great Britain--History--Richard II, 1377-1399.