Columbia subject headings:
Folk music--Bulgaria--History and criticism.
Folk songs, Bulgarian--Bulgaria--History and criticism.
Laments--Bulgaria--History and criticism.
Harvard subject headings:
Folk music--Bulgaria
Folk music--Bulgaria--History and criticism
Funeral music--History and criticism.
Funeral music.
Funeral rites and ceremonies--Bulgaria.
Laments--Bulgaria.
Princeton subject headings:
Folk music--Bulgaria--History and criticism.
Funeral music--History and criticism.
Funeral rites and ceremonies--Bulgaria.