Columbia subject headings:
Art, Bulgarian--Exhibitions.
Art, Medieval--Bulgaria--Exhibitions.
Harvard subject headings:
Art, Bulgarian--Exhibitions.
Art, Medieval--Bulgaria--Exhibitions.
Christian art and symbolism--Medieval, 500-1500--Bulgaria--Exhibitions.
Princeton subject headings:
Art, Bulgarian--Exhibitions.
Art, Medieval--Bulgaria--Exhibitions.
Christian art and symbolism--Medieval, 500-1500--Bulgaria--Exhibitions.