^ 1.01.1Walsh, R. & Vaughan, F. "On transpersonal definitions". Journal of Transpersonal Psychology, 25 (2) 125-182, 1993
^Scotton, Bruce W. "Introduction and Definition of Transpersonal Psychiatry". In Scotton, Bruce W., Chinen, Allan B. and Battista, John R., Eds. (1996) Textbook of Transpersonal Psychiatry and Psychology. New York: Basic Books
^ 5.05.1 Lajoie, D. H. & Shapiro, S. I. "Definitions of transpersonal psychology: The first twenty-three years". Journal of Transpersonal Psychology, Vol. 24, 1992
^Hartelius, Glenn; Caplan, Mariana; Rardin, Mary Anne. "Transpersonal Psychology: Defining the Past, Divining the Future". The Humanistic Psychologist , 35(2), 1–26, 2007
^ 8.08.1Davis, John. "An overview of transpersonal psychology." The Humanistic Psychologist, 31:2-3, 6-21, 2003
^Miller, John J. "Book review: Textbook of Transpersonal Psychiatry and Psychology." Psychiatric Services 1998-04-01
^Scotton, Bruce W. "The Contribution of C.G Jung to Transpersonal Psychiatry". In Scotton, Bruce W., Chinen, Allan B. and Battista, John R., Eds. (1996) Textbook of Transpersonal Psychiatry and Psychology. New York: Basic Books
^Battista, John. "Abraham Maslow and Roberto Assagioli: Pioneers of Transpersonal Psychology". In Scotton, Bruce W., Chinen, Allan B. and Battista, John R., Eds. (1996) Textbook of Transpersonal Psychiatry and Psychology. New York: Basic Books
^Parsons, William B. Book Reviews: Revisioning Transpersonal Theory. A Participatory Vision of Human Spirituality (Book). Journal of Religion, 00224189, 2003-10, Vol.83, Issue 4.
^Elmer, Lori D., MacDonald, Douglas A. & Friedman, Harris L. "Transpersonal psychology, physical health, and mental health: Theory, research, and practice". The Humanistic Psychologist, 31:2-3, 159-181, 2003
^Chinen, Allan B. The emergence of Transpersonal psychiatry. In Scotton, Bruce W., Chinen, Allan B. and Battista, John R., Eds. (1996) Textbook of Transpersonal Psychiatry and Psychology. New York: Basic Books
^Powers, Robin. Counseling and Spirituality: A Historical Review. Counseling and Values, 2005-04, Vol.49(3), pp.217-225
^Rowan, John. "The transpersonal in psychology, psychotherapy and counselling" (book review). Therapy Today, 2008-06, Vol. 19 Issue 5, p46-46. 3/5p. 1
^Ferrer, Jorge N. (2001) Revisioning Transpersonal Theory. A Participatory Vision of Human Spirituality. New York: State University of New York Press (SUNY Series in Transpersonal and Humanistic Psychology)