Columbia subject headings:
Singers in literature.
Harvard subject headings:
Folk singers--History--Congresses.
German poetry--History and criticism--Congresses.
Lyric poetry--History and criticism--Congresses.
Music--Philosophy and aesthetics--Congresses
Narration (Rhetoric)--History--To 1500--Congresses.
Singing in literature--Congresses.
Princeton subject headings:
Folk singers--History.
Literature, Medieval--History and criticism.
Lyric poetry--History and criticism.
Music--Philosophy and aesthetics.
Narration (Rhetoric)--History--To 1500.
Poetry, Medieval--History and criticism.
Poetry, Modern--History and criticism.
Poetry.