Columbia subject headings:
Chaucer, Geoffrey, -1400--Criticism and interpretation--History.
Chaucer, Geoffrey, -1400--Criticism and interpretation.
Harvard subject headings:
Chaucer, Geoffrey, -1400--Criticism and interpretation--History.
Chaucer, Geoffrey, -1400--Criticism and interpretation.
Princeton subject headings:
Chaucer, Geoffrey, -1400--Criticism and interpretation--History.
Chaucer, Geoffrey, -1400--Criticism and interpretation.