Columbia subject headings:
Ballads, German--History and criticism.
Ballads--History and criticism.
Lyric poetry--History and criticism.
Harvard subject headings:
Ballade
Ballads, German--History and criticism
German poetry--History and criticism
Lyric poetry--History and criticism
Princeton subject headings:
Ballads, German--History and criticism.
Ballads--History and criticism.
Lyric poetry--History and criticism.