Columbia subject headings:
Frederick II, Holy Roman Emperor, 1194-1250--Sources.
Narratio qualiter imperator Federicus reaquisivit regnum sibi ribellatum.
Sicily (Italy)--History--1194-1282--Sources.
Harvard subject headings:
Frederick II, Holy Roman Emperor, 1194-1250--Sources.
Frederick II, Holy Roman Emperor, 1194-1250--Travel--Italy--Sicily.
Narratio qualiter imperator Federicus reaquisivit regnum sibi ribellatum quando accessit ad acquirendum Jerusalem et sepulcrum Christi.
Sicily (Italy)--History--1194-1282
Sicily (Italy)--History--1194-1282--Sources.
Princeton subject headings:
Frederick II, Holy Roman Emperor, 1194-1250--Travel--Italy--Sicily.
Narratio qualiter imperator Federicus reaquisivit regnum sibi ribellatum quando accessit ad acquirendum Jerusalem et sepulcrum Christi.
Sicily (Italy)--History--1194-1282.