Columbia subject headings:
Byzantine Empire--Civilization--Congresses.
Justice, Administration of--Byzantine Empire--Congresses.
Harvard subject headings:
Byzantine Empire--Civilization--Congresses.
Justice, Administration of--Byzantine Empire--Congresses.
Princeton subject headings:
Byzantine Empire--Civilization--Sources.
Byzantine Empire--History--Sources.
Byzantine Empire--Politics and government--Sources.
Diplomatics--Byzantine Empire--History.
Greek language, Medieval and late--Texts.