Columbia subject headings:
Art, Thracian--Exhibitions.
Bulgaria--Antiquities--Exhibitions.
Thrace--Antiquities--Exhibitions.
Harvard subject headings:
Art, Thracian--Exhibitions.
Bulgaria--Antiquities--Exhibitions.
Goldwork, Ancient--Thrace--Exhibitions.
Goldwork--Thrace--Exhibitions.
Thrace--Antiquities--Exhibitions.
Princeton subject headings:
Art, Thracian--Exhibitions.
Bulgaria--Antiquities--Exhibitions.
Thrace--Antiquities--Exhibitions.