1. Davis, John B. and Edward J. O’Boyle, eds. (1994).The Social Economics of Human Material Need. Carbondale, IL: Southern Illinois University Press.
2. Friedman, Milton. (1962).Capitalism and Freedom. Chicago: The University of Chicago Press.
3. O’Boyle, Edward J. (1993). “On Need, Wants, Resources and Limits.”International Journal of Social Economics, 20, 12: 13–26.
4. O’Boyle, Edward J. (Fall 1994) “Homo Socio-Economicus: Foundational to Social Economics and the Social Economy.”Review of Social Economy, 286–313.
5. U.S. Bureau of the Census. (1996).Statistical Abstract of the United States: 1996 (116th edition). Washington, DC: U.S. Government Printing Office.