1. Klein, “Taxonomy,” 6, see also James S. Kelly, “Wide and Narrow Interdisciplinarity,” The Journal of General Education 45, no. 2 (1996): 95–113.
2. For a survey of these, see Paul Oslington, “A Theological Economics,” International Journal of Social Economics 27, no. 1–2 (2000): 32–44.
3. Michael Pollitt and others, “Whither Christian Economics? A Roundtable Discussion,” Journal of the UK Association of the Christian Economists 36 (2006): 1–13.
4. Patrick J. Welch and J. J. Mueller, “The Relationships of Religion to Economics,” Review of Social Economy 59, no. 2 (2001): 185–202.
5. For commentary, see Clive Beed, “What Is the Relationship of Religion to Economics?” Review of Social Economy 64, no. 1 (2006): 21–45.