1. Abdallah, Saamah; Michaelson, Juliet; Shah, Sagar; Stoll, Laura; Marks, Nic, 2012: “The Happy Planet Index”, in: New Economics Foundation, Report 2012. Last modified June 2012; at: http://www.happyplanetindex.org/assets/happy-planet-index-report.pdf .
2. Adorno, Theodor W., 1997: Aesthetic Theory (Minneapolis: University of Minnesota Press).
3. Anielski, Mark, 2007: The Economics of Happiness: Building Genuine Wealth (Gabriola Island, BC: New Society Publishers).
4. Bateson, Gregory, 2000: Steps to an Ecology of Mind: Collected Essays in Anthropology, Psychiatry, Evolution and Epistemology (Chicago: University of Chicago Press).
5. Bateson, Gregory; Bateson, Mary Catherine, 1987: Angels Fear: Towards an Epistemology of the Sacred (New York: Macmillan).