Columbia subject headings:
Harvard subject headings:
Anglo-Saxons--Kings and rulers
England--Charters, grants, privileges.
Ethelred II, King of England, 968?-1016.
Great Britain--History--Ethelred II, 979-1016--Sources.
Princeton subject headings:
England--Charters, grants, privileges.
Great Britain--History--Ethelred II, 979-1016--Sources.