Columbia subject headings:
Harvard subject headings:
Descartes, René, 1596-1650.
Dualism.
Philosophy, Modern--17th century.
Spinoza, Benedictus de, 1632-1677
Princeton subject headings:
Descartes, René, 1596-1650.
Dualism.
Philosophy, Modern--17th century.
Spinoza, Benedictus de, 1632-1677. Ethica.