Columbia subject headings:
Astrology in literature.
Astronomy, Medieval, in literature.
Astronomy.
Chaucer, Geoffrey, -1400--Knowledge and learning.
Cosmology, Medieval, in literature.
Occultism.
Harvard subject headings:
Astrology in literature
Astronomy, Medieval, in literature.
Chaucer, Geoffrey, -1400--Knowledge--Astronomy.
Chaucer, Geoffrey, -1400--Knowledge--Occultism.
Cosmology, Medieval, in literature.
Princeton subject headings:
Astrology in literature.
Astronomy, Medieval, in literature.
Chaucer, Geoffrey, -1400--Knowledge--Astronomy.
Chaucer, Geoffrey, -1400--Knowledge--Occultism.
Cosmology, Medieval, in literature.