Becoming Adult, Becoming Christian: Adult Development and Christian Faith

by James Fowler; Jossey-Bass; Revised edition (November 1999)

Stages of Faith: The Psychology of Human Development and the Quest for Meaning

by James Fowler; HarperOne; Revised ed. edition (September 15, 1995)

Thoughts Without a Thinker: Psychotherapy from a Buddhist Perspective

by Mark Epstein; Basic Books; export ed edition (1996)

Young Man Luther: A Study in Psychoanalysis and History

by Erik Erikson; W. W. Norton & Company; Reissue edition (June 17, 1993)

Adulthood

by Erik Erikson; W. W. Norton & Company (March 17, 1978)

Religion in the Japanese Experience: Sources and Interpretations

by H. Byron Earhart; Wadsworth Publishing; 2 edition (October 7, 1996)