Columbia subject headings:
Harvard subject headings:
Diplomatics
Frederick II, Holy Roman Emperor, 1194-1250
Holy Roman Empire--Charters, grants, privileges--History.
Holy Roman Empire--History--Frederick II, 1215-1250
Italy--History--Germanic rule, 962-1268
Princeton subject headings:
Diplomatics.
Frederick II, Holy Roman Emperor, 1194-1250.
Holy Roman Empire--Charters, grants, privileges--History.
Holy Roman Empire--History--Frederick II, 1215-1250.
Italy--History--Germanic rule, 962-1268.