1. Martin E. Marty, Modern American Religion. Vol. 1. The Irony of it All, 1893-1919. (Chicago: University of Chicago Press, 1986).
2. David Head, He Sent Leanness: A Book of Prayers for the Natural Man (London: Epworth Press; New York: MacMillan, 1959).
3. Martin E. Marty and Micah Marty, When True Simplicity Is Gained: Finding Spiritual Clarity in A Complex World (Grand Rapids: Eerdmans, 1998).
4. Harvey Cox, The Secular City; Secularization and Urbanization in Theological Perspective (New York: Macmillan, 1966).
5. Harvey Cox, The Feast of Fools; A Theological Essay on Festivity and Fantasy (Cambridge: Harvard University Press, 1969).
6. Dan Jacobson, The Story of the Stories: the Chosen People and its God (New York: Harper & Row, 1982).