Columbia subject headings:
Chaucer, Geoffrey, -1400--Religion.
Chaucer, Geoffrey, -1400--Symbolism.
Harvard subject headings:
Allegory.
Chaucer, Geoffrey, -1400--Religion.
Chaucer, Geoffrey, -1400--Symbolism.
Chaucer, Geoffrey, -1400. Truth.
Civilization, Medieval, in literature.
Truth in literature.
Truthfulness and falsehood in literature.
Princeton subject headings:
Chaucer, Geoffrey, -1400--Allegory and symbolism.
Chaucer, Geoffrey, -1400--Religion.