Columbia subject headings:
Dreams in literature.
English poetry--Middle English, 1100-1500--History and criticism.
Harvard subject headings:
Civilization, Medieval, in literature.
Dreams in literature.
English poetry--Middle English, 1100-1500--History and criticism
Poetry--Psychological aspects
Princeton subject headings:
Civilization, Medieval, in literature.
Dreams in literature.
English poetry--Middle English, 1100-1500--History and criticism.
Poetry--Psychological aspects.