Columbia subject headings:
Bachkovski manastir.
Mural painting and decoration, Bulgarian.
Philosophers, Ancient, in art.
Veliko Tŭrnovo (Bulgaria : Oblast). Tsŭrkva Sveti chetirideset mŭchenitsi.
Harvard subject headings:
Bachkovski manastir
Christian art and symbolism--Bulgaria.
Mural painting and decoration, Bulgarian.
Mural painting and decoration, Byzantine--Bulgaria.
Philosophers, Ancient, in art.
T͡Sŭrkva Rozhdestvo Khristovo v Arbanasi.
Princeton subject headings:
Bachkovski manastir.
Mural painting and decoration, Bulgarian.
Philosophers, Ancient, in art.
Tŭrnovo, Bulgaria.