Assagioli Roberto M. D. Psychosynthesis. L., 1965.

Baldwin William J. Ph. D. Spirit Releasement Therapy. Terra Alta, 1992.

Blake Lucas Winafred Ph. D., editor. Regression Therapy. Vol. I & II. Crest Park, California, 1996.

Bojana Mihajlovic. Memento, Prosli Zivoti. Beograd, 1999 (in Serbian).

Colin Wilson. Afterlife. Glasgow, Great Britain, 1985.

Colin Wilson. The Occult. Bungay, Suffolk, Great Britain, 1971.

David-Neel Alexandra. Magic and Mystery in Tibet. N. Y.: University Books, 1965.

Eliade Mircea. Shamanism: Archaic Techniques of Ecstasy. 1995.

Funch Flemming. Techical Essays. Vol. I and II, privately published.

Kenneth Grant. Beyond the Mauve Zone. L., 1999.

Lilly Dr. John. The Centre of the Cyclone. 1972.

Mihajlovic Slavinski Zivorad, Aspectics. Beograd, 2006. (На русском языке: Аспектика: технологии духовного развития. СПб.: Весь, 2010.)

Mihajlovic Slavinski Zivorad. PEAT and the Neutralization of Primordial Polarities. Beograd, 2000. (На русском языке: ПЭАТ. Решаем психологические проблемы самостоятельно. СПб.: Весь, 2010.)

Mihajlovic Slavinski Zivorad. The Dawn ofAivaz. Magical-mystical novel Belgrad, 2003.

Mihajlovic Slavinski Zivorad. The Return to Oneness: Principles and practice of Spiritual Technology. Beograd, 2005. (На русском языке: Возвращение к Единству. Принципы и практика духовной технологии. СПб.: Весь, 2010.)

Sagan Dr. Samuel. Entities: Parasites of the Body of Energy. Roseville, 1994.

Smith Adam. Powers of Mind. N. Y., 1975.

Steinbrecher Edwin C. The Inner Guide Meditation. Santa Fe, 1978.