Columbia subject headings:
Bulgaria--Civilization--Exhibitions.
Bulgaria--Exhibitions.
Byzantine Empire--Civilization--Exhibitions.
Byzantine Empire--Exhibitions.
Decorative arts--Bulgaria.
Decorative arts--Byzantine Empire.
Harvard subject headings:
Bulgaria--Antiquities--Exhibitions.
Bulgaria--Civilization--Exhibitions.
Byzantine Empire--Civilization--Exhibitions.
Byzantine antiquities--Exhibitions.
Decorative arts--Bulgaria--Exhibitions.
Decorative arts--Byzantine Empire--Exhibitions.
Princeton subject headings: