Columbia subject headings:
Catholic Church--Foreign relations--Great Britain.
Great Britain--Church history--1066-1485.
Great Britain--Foreign relations--Catholic Church.
Henry III, King of England, 1207-1272.
Harvard subject headings:
Great Britain--Church history--1066-1485.
Henry III, King of England, 1207-1272.
Princeton subject headings:
Catholic Church--Foreign relations--Great Britain.
Great Britain--Church history--1066-1485.
Great Britain--Foreign relations--Catholic Church.
Henry III, King of England, 1207-1272.