1996. Multidimensional Approach to Consciousness, A. Wm. Keith Bookwalter. — Thoughts on a Baha'i approach to human consciousness which the author terms "A Physical / Psychospir... Articles-unpublished.
1921. Fourth Dimensional Consciousness. Marie A. Watson. — (Alleged) words of Abdu'l-Baha, taken from notes from a pilgrimage to Haifa in 1921. Pilgrims.