Columbia subject headings:
Byzantine Empire--Civilization.
Byzantine Empire--History.
Byzantine Empire--Relations--Italy.
Italy--Civilization--Byzantine influences.
Italy--Relations--Byzantine Empire.
Pertusi, Agostino.
Harvard subject headings:
Byzantine Empire--Civilization.
Byzantine Empire--History.
Byzantine Empire--Relations--Italy.
Italy--Civilization--Byzantine influences.
Italy--Relations--Byzantine Empire.
Pertusi, Agostino.
Princeton subject headings:
Byzantine Empire.
Italy--History--476-1492.
Pertusi, Agostino--Bibliography.