Gurdjieff and Prince Ozay
Paul Beekman Taylor
The Cambridge Companion to the Stoics
Brad Inwood
Cambridge Companions to Philosophy (1)
Jewish Gnosticism, Merkabah Mysticism, and Talmudic Tradition
Gershom G. Scholem
Understanding Phonetics
Patricia Ashby
Understanding Language (1)
Reading Judas
Karen L. King & Elaine Pagels
Intuitive Thinking as a Spiritual Path
Rudolf Steiner