Columbia subject headings:
Anselm, Saint, Archbishop of Canterbury, 1033-1109.
Mysticism--Islam.
Mysticism--Judaism.
Philosophy and religion.
Rosenzweig, Franz, 1886-1929.
Spinoza, Benedictus de, 1632-1677.
Stein, Edith, Saint, 1891-1942--Religion.
Wittgenstein, Ludwig, 1889-1951.
Harvard subject headings:
Mysticism
Philosophy and religion.
Princeton subject headings:
Mysticism--Judaism.
Philosophy and religion.