Congregational systems theory:
- UU University 2006, Part 2: Congregations as Emotional Systems (video).
- Peter Steinke, Healthy Congregations, A Systems Approach (Alban Institute, 2006).
The many meanings of money:
- Viviana A. Zelizer, The Social Meaning of Money: Pin Money, Paychecks, Poor Relief, and Other Currencies (Princeton University Press, 1997).
- Enough: The Personal Politics of Resisting Capitalism website.