1. John A. Ryan, Industrial Democracy (1897)
2. Carey, Brycchan. “John Wesley (1703–1791).” The British Abolitionists. Brycchan Carey, July 11, 2008. October 5, 2009.
3. Social Justice in an Open World: The Role of the United Nations”, The International Forum for Social Development, DEPARTMENT OF ECONOMIC AND SOCIAL AFFAIRS, Division for Social Policy and Development, ST/ESA/305" (PDF). New York: United Nations. 2006. p. 16.
4. John Rawls, A Theory of Justice (1971) 4, “the principles of social justice: they provide a way of assigning rights and duties in the basic institutions of society and they define the appropriate distribution of benefits and burdens of social cooperation.