Columbia subject headings:
Byzantine Empire--Foreign relations.
Council of Florence (1438-1445 : Florence, Italy)
John VIII Palaeologus, Emperor of the East, 1392-1448.
Harvard subject headings:
Byzantine Empire--Foreign relations.
Council of Florence (1438-1445 : Florence, Italy)
John VIII Palaeologus, Emperor of the East, 1392-1448.
Princeton subject headings:
Byzantine Empire--Foreign relations.
Council of Florence (1438-1445 : Florence, Italy)
John VIII Palaeologus, Emperor of the East, 1392-1448.