Columbia subject headings:
Great Britain--History--Edward I, 1272-1307.
Great Britain--History--Edward II, 1307-1327.
Great Britain--History--Edward III, 1327-1377.
Harvard subject headings:
Princeton subject headings:
Great Britain--History--Edward I, 1272-1307.
Great Britain--History--Edward II, 1307-1327.
Great Britain--History--Edward III, 1327-1377.
Heraldry--Great Britain.