Columbia subject headings:
Descartes, René, 1596-1650.
Dreams--Philosophy.
Harvard subject headings:
Descartes, René, 1596-1650.
Knowledge, Theory of
Philosophy, French--17th century--History and criticism.
Reason.
Vision
Princeton subject headings:
Descartes, René, 1596-1650.
Knowledge, Theory of.
Philosophy, French--17th century--History and criticism.
Reason.
Vision.