Columbia subject headings:
Byzantine Empire--Study and teaching--Soviet Union--Bibliography--Exhibitions.
Harvard subject headings:
Byzantine Empire--Civilization--Congresses.
Byzantine Empire--Civilization--Study and teaching--Russia--Exhibitions.
Byzantine Empire--History--Study and teaching--Russia--Sources--Catalogs.
Byzantine Empire--Study and teaching--Congresses.
Princeton subject headings:
Byzantine Empire--Study and teaching--Bibliography--Catalogs.
Byzantine Empire--Study and teaching--Russia--Bibliography.
Byzantine Empire--Study and teaching--Soviet Union--Bibliography.
Russian imprints--Exhibitions.