Columbia subject headings:
Harvard subject headings:
Balzac, Jean-Louis Guez de, 1597-1654.
Descartes, René, 1596-1650.
French language--Middle French, 1300-1600--Rhetoric.
Philosophy, French--17th century.
Rhetoric--France--History--17th century.
Rhetoric--Philosophy--History--17th century.
Princeton subject headings:
Balzac, Jean-Louis Guez de, 1597-1654.
Descartes, René, 1596-1650.
Philosophy, French--17th century.
Rhetoric--France--History--17th century.
Rhetoric--Philosophy--History--17th century.