Columbia subject headings:
Material culture--Byzantine Empire--Congresses.
Harvard subject headings:
Byzantine Empire--Civilization--Congresses.
Byzantine Empire--Congresses.
Byzantine Empire--Social life and customs--Congresses.
Material culture--Byzantine Empire--Congresses.
Princeton subject headings:
Byzantine Empire--Civilization--Congresses.
Byzantine Empire--Congresses.
Byzantine Empire--Social life and customs--Congresses.
Material culture--Byzantine Empire--Congresses.