Columbia subject headings:
Harvard subject headings:
Civilization, Medieval
Dream interpretation--History.
Dreams in literature.
Dreams--History
Dreams--Philosophy.
Dreams--Religious aspects
Philosophy, Ancient.
Philosophy, Medieval.
Visions--History.
Visions--Philosophy.
Princeton subject headings:
Civilization, Medieval.
Dream interpretation--History.
Dreams in literature.
Dreams--History.
Dreams--Philosophy.
Dreams--Religious aspects.
Philosophy, Ancient.
Philosophy, Medieval.
Visions--History.
Visions--Philosophy.