Ajaya, S. (1983). Psychotherapy East and West – A Unifying Paradigm. Pennsylvania: The Himalayan International Institute.
 
Arya, P. U. (1978). Mantra and Meditation.  Pennsylvania: Himalayan Publishers.
 
Ashley-Farrand, T. (1999). Healing Mantras: using sound affirmation for personal power, creativity and healing. New York: The Ballantine Publishing Group.
 
Berendt, J-E. (1991). The World is Sound, Nada Brahma – music and the landscape of consciousness. Vermont: Inner Traditions International.
 
Braud, W. & Anderson, R. (1998). Transpersonal Research Methods for the Social Sciences: Honoring Human Experience. Thousand Oaks: Sage Publication.
 
Bhushan, S. (2003). “Personal Communication”
 
Braggins, S. Alfred Wolfsohn, the man and his ideas. 5/6/2004. www.roy-hart.com/sheila.htm
 
Buber, M. (1988). Hasidism and Modern Man. (ed. and trans. Maurice Friedman). NJ: Humanities Press International, Inc.
 
Caird, S. (2003). Unpublished Interview.
 
Caird, S. (2004). Personal communication.
 
Campbell, D. (1992). Music and Miracles. Wheaton: The Theosophical Publishing House.
 
Campbell, D. (2000). Music: physician for times to come. Wheaton: The Theosophical Publishing House.
 
Campbell, D. (2002). The Mozart Effect – Tapping the Power of Music to Heal the Body, Strengthen the Mind, and Unlock the Creative Spirit. London: Hodder and Stoughton.
 
Capra, F. (2002).  The Hidden Connections. London: HarperCollinsPublishers
 
Chopra, D. (2001). Perfect Health. London: Bantam Books.
 
Cope, S. (1999). Yoga and the Quest for the True Self. USA: Bantam Books
 
D’Angelo, J. (2000). Healing with the Voice. London: HarperCollins Publishers.
 
Daniélou, A. (1995). Music and the power of sound: the influence of tuning and interval on consciousness. Vermont: Inner Traditions International.

The Song of the Holy Fools. Dalrymple, W. (7th February, 2004) Weekend Magazine, Guardian.
 
Devereux, P. Stone Age Soundtracks: The Acoustic Archaeology of Ancient Sites
5/6/2004. www.powells.com/cgi-bin/biblio?inkey=7-184333447x-0
 
Encarta/Yoga. 6/2/2004. p://encarta.msn.com/encyclopedia_761552068/Yoga.html
 
Feuerstein, G. (1997). The Shambhala Encyclopedia of Yoga. Boston: Shambhala Publications Inc.
 
Feuerstein, G. (1998). The Yoga Tradition. Arizona: Hohm Press.
 
Floyd, Jr. S. A. (1995). The Power of Black Music. New York: Oxford University Press.
 
Fromm, E. (2002). To Have or to Be. London: Time Warner Books UK.
 
Funk, V.C. (1992). It’s a Miracle. In D. Campbell (Ed.), Music and miracles. Wheaton: The Theosophical Publishing House.
 
Godlas, A. 31/3/2004. .uga.edu/islam/Sufism.html
 
Godwin, J. (1987). Harmonies of Heaven and Earth – The Spiritual Dimension of Music. London: Thames and Hudson Ltd.
 
Goldman, J. (2002). Healing Sounds – The Power of Harmonics. Vermont: Healing Arts Press.
 
Goldman, J. (1998). Shifting Frequencies. Flagstaff: Light Technology Publishing.
 
Hillman, J. (1997). The Soul's Code. London: Bantam.

Hiles, D.R. (2001). Paradigms Lost. Invited lecture Masaryk University, Brno, Czech Republic, April 23rd, 2001.
 
Hiles, D. R. (2002a). Research Methods in Psychotherapy (1). Unpublished CCPE/MA Course Handout.
 
Hiles, D.R. (2002b). Research Methods in Psychotherapy (3). Unpublished CCPE/MA Course Handout.
 
Hiles, D. R. (2002c). Narrative and Heuristic Approaches to Transpersonal Research and Practice. Unpublished CCPE/MA Course Paper.

Houston, J. (1992). Sound and the Miraculous. In D. Campbell (Ed.), Music and Miracles. Wheaton: The Theosophical Publishing House.
 
Kardash, T./ The Wu-Wei Principle, Part 4. 05/03/04. www.jadedragon.com/archives/june98/tao.html
 
Keyes, L.E. (1973/1997). Toning – The Creative Power of the Voice. Marina del Ray, CA: DeVorss & Company.
 
Keeper of the Flame. Wroe, N. 5/8/2002. Guardian Review.
 
Khan, H. (1991). The Mysticism of Sound and Music - The Sufi Teachings of Hazrat Inayat Khan. Boston: Shambhala Publications Inc.
 
Kornfield, J. (2000). After the Ecstasy, the Laundry. London: Bantam Books.
 
Kvale, S. (1996). Interviews – An Introduction to Qualitative Research Interviewing. London: SAGE Publications Inc.
 
Levine, L. W. (1977).  Black culture and black consciousness: Afro-American folk thought from slavery to freedom. New York: Oxford University Press.

Mitchell, S. (1999). Tao Te Ching - An Illustrated Journey. London: Francis Lincoln ltd.
 
Moustakas, C. (1990). Heuristic Research, Design, Methodology and Applications. London: Sage Publications.
 
Newham, P. (1992). Jung and Alfred Wolfsohn – Analytical Psychology and the singing voice. Journal of Analytical Psychology, Vol. 37. pp. 323-336
 
Newham, P. (1999). The Healing Voice. Dorset: Element Books Limited.
 
Nicholson, S. (1992). The Miraculous Potency of Sound. In D. Campbell (Ed.), Music and miracles. Wheaton: The Theosophical Publishing House.
 
Paton, R. (2000). Living Music. West Sussex: West Sussex County Council.
 
Prabhavananda, S & Manchester, F. (1983). The Upanishads – Breath of the Eternal. California: Vedanta Press.
 
Rama, S. & Ballentine, R. & Ajaya, S. (1976). Yoga and Psychotherapy – The Evolution of Consciousness.  (10th Printing 1998). Pennsylvania: The Himalayan International Institute.
 
Rinpoche, K. (1992). Mysteries of the Spiritual Voice. In D, Campbell (Ed), Music and miracles. Wheaton: The Theosophical Publishing House.
 
Saraswati, S. (1996). Asana Pranayama Mudra Bandha. Bihar: Bihar Yoga Bharati.
 
Schroeder-Sheker, T, (1992). Musical-Sacramental-Midwifery: The Use of Music  in Death and Dying. In D. Campbell (Ed.), Music and Miracles. Wheaton: The Theosophical Publishing House.
 
Smith, J.A. Jarman, M. & Osborn, M (1999). Doing Interpretative phenomenological analysis. In M. Murray & K. Chamberlain (Eds.) Qualitative Health Psychology.  London: Sage.
 
Storr, A. (1997). Music and the Mind. London: HarperCollinsPublishers

Stone, R. (2002) Elsted Village hall report to group members.
 
Stone, R. (2003). Unpublished Private journal.
 
Stravinsky, I. (1947). Poetics of Music. New York: Vintage Books.
 
Vaughan, F. (2000). The Inward Arc, Healing in Psychotherapy and Spirituality. USA: iUniverse.com Inc.
 
Vishnu-Devananda, S. (1995). Meditation and Mantras. (3rd ed.). New York: OM Lotus Publishing Company.
 
Wilber, K. (1980). The Atman Project - A Transpersonal View of Human Development. (2nd ed.). Wheaton, Il: The Theosophical Publishing House.
 
Wilber, K. (1996). Up from Eden.  Wheaton, Il., USA: Quest Books
 
Zuckerkandl, V. (1956) Sound and Symbol - Music and the External World. New Jersey: Princeton University Press.