Since the early 1990s, interest in psychotherapy for religious clients has increased. The number of books, chapters, and journal articles that have included the topics psychotherapy and religion, religious belief, religiosity, or religious membership in their titles and abstracts has gone from 86 published in the 1950s and 84 published in the 1960s, to 99 published in the 1970s, 145 published in the 1980s, and 330 published in the 1990s.