Psychology of Religion: Classic and Contemporary Views

by David M. Wulff; Wiley, 2nd edition (November 22, 1996)

Transformation of Consciousness: Conventional and Contemplative Perspectives On Development

by Ken Wilber, Jack Engler, and Daniel P. Brown; Shambhala (September 12, 1986)

Finding Space: Winnicott, God, and Psychic Reality

by Ann Ulanov; Westminster John Knox Press (August 20, 2005)

Understanding Religious Life

by Fredrick J. Strent, Wadsworth Pub Co; 3 Sub edition (November 1984)

Journal for the Scientific Study of Religion

edited by Laura Olson; Journal of The Society for the Scientific Study of Religion

Mystical Christianity: A Psychological Commentary on the Gospel of John

by John A. Sanford; The Crossroad Publishing Company (February 1, 1994)