Columbia subject headings:
Chaucer, Geoffrey, -1400--Criticism and interpretation.
English literature--Middle English, 1100-1500--History and criticism.
Harvard subject headings:
Chaucer, Geoffrey, -1400--Criticism and interpretation.
English literature--Middle English, 1100-1500--History and criticism
Literature, Medieval--History and criticism
Middle Ages in literature.
Princeton subject headings:
Chaucer, Geoffrey, -1400--Criticism and interpretation.
English literature--Middle English, 1100-1500--History and criticism.
Literature, Medieval--History and criticism.
Middle Ages in literature.