Columbia subject headings:
Harvard subject headings:
Hobbes, Thomas, 1588-1679
Liberty
Necessity (Philosophy)
Princeton subject headings:
Cudworth, Ralph, 1617-1688.
Descartes, René, 1596-1650.
Hobbes, Thomas, 1588-1679.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716.
Liberty
Necessity (Philosophy)
Spinoza, Benedictus de, 1632-1677.