Columbia subject headings:
Edward I, King of England, 1239-1307.
Great Britain--History--Edward I, 1272-1307.
Great Britain--Kings and rulers--Biography.
Harvard subject headings:
Edward I, King of England, 1239-1307.
Great Britain--History--Edward I, 1272-1307
Great Britain--Kings and rulers--Biography.
Great Britain--Politics and government--1272-1307.
Princeton subject headings:
Edward I, King of England, 1239-1307.
Great Britain--History--Edward I, 1272-1307.
Great Britain--Kings and rulers--Biography.