Columbia subject headings:
Jacobi, Friedrich Heinrich, 1743-1819.
Lessing, Gotthold Ephraim, 1729-1781.
Spinoza, Benedictus de, 1632-1677.
Harvard subject headings:
Jacobi, Friedrich Heinrich, 1743-1819.
Lessing, Gotthold Ephraim, 1729-1781.
Spinoza, Benedictus de, 1632-1677
Princeton subject headings: