Jewish Gnosticism, merkabah mysticism, and Talmudic tradition.

Major trends in Jewish mysticism

On the Kabbalah and its symbolism

Urpsrung und Anfaenge der Kabbala

Kabbalah

From Berlin/jerusalem

Zohar, the Book of splendor

Walter Benjamin

On the Mystical Shape of the Godhead

The messianic idea in Judaism and other essays on Jewish spirituality

On Jews and Judaism in crisis