Columbia subject headings:
Bulgaria--Civilization--Turkish influences.
Bulgaria--History--1393-1878.
Christian art and symbolism--Bulgaria--Medieval, 500-1500.
Christian art and symbolism--Bulgaria--Modern period, 1500-
Harvard subject headings:
Art and society--Bulgaria--History.
Bulgaria--Civilization--Turkish influences.
Christian art and symbolism--Bulgaria--Turkish influences.
Princeton subject headings:
Architecture--Bulgaria.
Art, Bulgarian.
Bulgaria--Civilization--Turkish influences.