Columbia subject headings:
Harvard subject headings:
Descartes, René, 1596-1650.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716
Senses and sensation
Subjectivity.
Princeton subject headings:
Descartes, René, 1596-1650.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716.
Senses and sensation.
Subjectivity.