1. Abbott, A. “Things of Boundaries.” In Time Matters: On Theory and Method, edited by A. Abbott, 261–279. Chicago: The University of Chicago Press, 2001 [1995].
2. Ainslie, G. Picoeconomics: The Strategic Interaction of Successive Motivational States within the Person. Cambridge: Cambridge University Press, 1992.
3. Ainslie, G. “Motivation Must be Momentary.” In Understanding Choice, Explaining Behaviour, edited by J. Elster, O. Gjelsvik, Aa. Hylland, and K. Moene, 9–24. Oslo: Unipub forlag, 2006.
4. Bargheer, S. Moral Entanglements: The Emergence and Transformation of Bird Conservation in Great Britain and Germany, 1790–2010. The University of Chicago: Dissertation submitted to The Faculty of the Division of The Social Sciences, 2011.
5. Bateson, G. Steps to an Ecology of Mind. New York: Ballantine Books, 1972 [1954].