Pope Francis, 2015, Laudato Si: on Care for our Common Home, The Vatican
Skidelsky, Robert and Skidelsky, Edward, 2012, How Much is Enough? The love of money and the case for the Good Life, Allen Lane, London.
Wilber, Ken, 1996, A Brief History of Everything, Shambhala, Boston and London.
Sandel, Michael, 2009, Justice: What’s the Right Thing to Do? Allen Lane, London.
Sandel, Michael, 2012, What Money Can’t Buy: The Moral Limits of Markets, Allen Lane, London.
Hirschfeld, Mary, 2010 From a Theological Frame to a Secular Frame in The True Wealth of Nations: Catholic Social Thought and Economic Life, edited by Daniel K Finn, Oxford UP, New York.