Columbia subject headings:
Folk poetry, Mordvin--History and criticism.
Folk songs, Mordvin--History and criticism.
Historical poetry, Mordvin--History and criticism.
Harvard subject headings:
Folk poetry, Mordvin--History and criticism.
Folk songs, Mordvin--History and criticism.
Historical poetry, Mordvin--History and criticism.
Princeton subject headings:
Folk songs, Mordvin.
Historical poetry, Mordvin.
Mordvin ballads and songs.