Columbia subject headings:
Descartes, René, 1596-1650.
Promises--Philosophy.
Harvard subject headings:
Descartes, René, 1596-1650.
Philosophy, French--17th century.
Promises
Promises--Philosophy.
Princeton subject headings:
Descartes, René, 1596-1650.
Philosophy, French--17th century.
Promises--Philosophy.