The Fall of Sophia: Volumes IX and XIII in the Nag Hammadi Studies series: Pistis Sophia and The Books of Jeu and the Untitled Text in the Bruce Codex
American Philosophy and Rudolf Steiner: Emerson – Thoreau – Peirce – Jamesroyce – Dewey – Whitehead – Feminism
The Near-Death Experience: In the light of scientific research and Rudolf Steiner’s Spiritual Science
