Columbia subject headings:
Chaucer, Geoffrey, -1400--Philosophy.
Chaucer, Geoffrey, -1400. Canterbury tales.
Harvard subject headings:
Chaucer, Geoffrey, -1400--Philosophy.
Chaucer, Geoffrey, -1400. Canterbury tales
Princeton subject headings:
Chaucer, Geoffrey, -1400--Philosophy.
Chaucer, Geoffrey, -1400. Canterbury tales.