Henderson, Michael. Finding True North. Aukland, NZ: HarperCollins, 2003.

Rokeach, Milton. The Nature of Human Values. New York: Free Press, 1973.

Rokeach, Milton. Understanding Human Values: Individual and Societal. New York: Free Press, 1979.

Seligman, Martin E. P. Authentic Happiness. New York: Free Press, 2002.

Minessence Group www.minessence.net An Australian organization that has created its own values inventory (AVI). There are many articles and documents about values on this Web site.

Positive Psychology Center www.ppc.sas.upenn.edu Promotes research, training, education, dissemination, and the application of positive psychology