Columbia subject headings:
Epic poetry, Bulgarian--History and criticism.
Folk songs, Bulgarian--History and criticism.
Marriage customs and rites--Folklore.
Harvard subject headings:
Bulgaria--Social life and customs.
Folk songs, Bulgarian--Themes, motives.
Folklore--Bulgaria
Princeton subject headings:
Epic poetry, Bulgarian--History and criticism.
Folk songs, Bulgarian--History and criticism.
Marriage customs and rites--Folklore.