Arai, Tatsushi and Niyonzima, Jean Bosco. “Learning Together to Heal: Toward an Integrated Practice of Transpersonal Psychology, Experiential Learning, and Neuroscience for Collective Healing.” Peace and Conflict Studies. Vol. 26,2, Article 4. nsuworks.nova.edu. Web. November 19, 2019.

Assagioli, Roberto. Psychosynthesis. A Manual of Principles and Techniques. Buenos Aires, New York: Hobbs, Dorman and Company, Inc. 1965. Print.

Balsekar, Ramesh S.; per. s angl.: V. Remizova, A. Kiselev. Issledovanie Vechnogo: Popytki Prolit' Svet na Uchenie Nisargadatty Makharadzha. - M: Ganga. 2019. Print (in Russian).

Campbell, Joseph. The Hero With a Thousand Faces. Pantheon Books, New York, N.Y.: Bollingen Series XVII, Foundation Inc. 1949. Print.

Drury, Nevill. The New Age: The History of a Movement. New York, NY: Thames and Hudson, Inc., 2004. Print.

Flor-Henry, P., Shapiro, Y., and Sombrun, C. “Brain changes during a shamanic trance: Altered modes of consciousness, hemispheric laterality, and systemic psychobiology.” Cogent Psychology. 4 (1), 1313522. www. cogentoa.com. Web. March 31, 2017.

Grof, Christina and Grof, Stanislav. The Stormy Search for the Self: A Guide to Personal Growth Through Transformational Crisis. Los Angeles: J. Tarcher: Distributed by St. Martin's Press, New York. 1990. Print.

James, William. The Varieties of Religious Experience: A Study in Human Nature. 91 and 93 Fifth Avenue, New York: Longmans, Green, and Co. 1902. Print.

Jung, C.G.; translated by R. F. C. Hull. Two Essays on Analytical Psychology. Vol. 7 of the Collected Works, Princeton, N.J.: Princeton University Press. 1970. Print.

Kasprow, Mark C., and Scotton, Bruce W. “A review of transpersonal theory and its application to the practice of psychotherapy.” The Journal of psychotherapy practice and research. Vol. 8,1. 1999. 12-23. Print.

Maslow, Abraham H. The Farther Reaches of Human Nature. An Esalen Book, New York, N.Y.: The Viking Press, Inc. 1971. Print.

Masters, Paul Leon. Weekly Mystical Insights, “Improving Relationships with Others.” Web. September 8, 2019.

---. Weekly Mystical Insights, “Personal Ego vs. Universal Identity.” Web. October 25, 2020.

Mindell, Arnold; per. s angl.: I. Yashin, V. Dolbina. Konflikty: Fazy, Forumy i Sposoby Razresheniya. Dlya Nashikh Snovideniy, Tela, Organizatsiy, Pravitel'stv i Vsey Planety. M.: Ganga. 2019. Print (in Russian).

Nalimov, V.V. and Colodny, Robert Garland; translated by A. V. Yarkho. Realms of the Unconscious: The Enchanted Frontier. Philadelphia: ISI Press. 1982. Print.

O’Reardon, Donal. “The Transpersonal is the Future of Mediation.” Everything mediation. www. mediate.com. Web. February, 2015.

Rebillot, Paul. “The Hero`s Journey: Ritualizing the Mystery.” Spiritual Emergency: When Personal Transformation Becomes a Crisis. Ed. Stanislav Grof and Christina Grof. Los Angeles: Tarcher; New York: Distributed by St. Martin`s Press, 1989. 211-224. Print.

Sanford, John A. The Invisible Partners: How the Male and Female in Each of Us Affects Our Relationships. New York: Paulist Press. 1980. Print.

Schneider, Kirk J., Leitner, Larry M. “Humanistic Psychotherapy.” Encyclopedia of Psychotherapy. Elsevier Science Ltd. 2002. 949-957. Print.

Wilber, Ken. Integral Spirituality: A Startling New Role for Religion in the Modern and Postmodern World. Boston: Integral Books, Shambhala Publications, Inc. 2006. Print.