Columbia subject headings:
Ballads, Slavic--Europe, Eastern--History and criticism.
Ballads, Slavic--History and criticism.
Folk poetry, Slavic--History and criticism.
Harvard subject headings:
Ballads, Slavic--Europe, Eastern--History and criticism.
Ballads, Slavic--History and criticism.
Folk poetry, Slavic--History and criticism.
Princeton subject headings: