Stikkers, Kenneth W. (2011). "Dewey and the Mondragon Cooperatives"(PDF). European Journal of Pragmatism and American Philosophy. 2036-4091. 3 (2): 195–197. Archived from the original(PDF) on 26 May 2013. Retrieved 10 February 2012.
King, Martin Luther Jr (16 August 1967). "Where Do We Go From Here". writespirit.net. Archived from the original on 21 March 2012. Retrieved 29 January 2012.
Stikkers, Kenneth W. (2011). "Dewey and the Mondragon Cooperatives"(PDF). European Journal of Pragmatism and American Philosophy. 2036-4091. 3 (2): 195–197. Archived from the original(PDF) on 26 May 2013. Retrieved 10 February 2012.
George 1912. George, Henry (1912) [1879]. Progress and Poverty: An Inquiry into the Cause of Industrial Depressions and of Increase of Want with Increase of Wealth: The Remedy. Garden City, NY: Doubleday, Page & Co. OCLC338381.
George 1912, p. [page needed]. George, Henry (1912) [1879]. Progress and Poverty: An Inquiry into the Cause of Industrial Depressions and of Increase of Want with Increase of Wealth: The Remedy. Garden City, NY: Doubleday, Page & Co. OCLC338381.
King, Martin Luther Jr (16 August 1967). "Where Do We Go From Here". writespirit.net. Archived from the original on 21 March 2012. Retrieved 29 January 2012.