Columbia subject headings:
Harvard subject headings:
Catholic Church--Foreign relations.
Church history--Middle Ages, 600-1500
England--Church history--1066-1485.
Great Britain--Foreign relations--Catholic Church.
Honorius III, Pope, -1227.
Princeton subject headings:
Catholic Church--Foreign relations--Great Britain.
England--Church history--1066-1485.
Great Britain--Foreign relations--Catholic Church.
Honorius III, Pope, -1227.