Columbia subject headings:
Harvard subject headings:
Church decoration and ornament--Bulgaria--Karlukovo.
Mural painting and decoration, Medieval--Bulgaria--Karlukovo--Byzantine influences.
Mural painting and decoration, Medieval--Bulgaria.
Mural painting and decoration--Expertising--Bulgaria--Karlukovo.
Rock paintings--Bulgaria.
Skit "Sv. Nikola" (Karlukovo, Bulgaria)
Princeton subject headings:
Mural painting and decoration, Medieval--Bulgaria--Karlukovo--Byzantine influences.
Mural painting and decoration--Bulgaria--Karlukovo--Expertising.
Skit "Sv. Marina" (Karlukovo, Bulgaria)
Skit "Sv. Nikola" (Karlukovo, Bulgaria)