members. Pesch called this principle social justice." — Shields, Leo W. The History and Meaning of the Term Social Justice, Thesis (Ph. D.) University of Notre Dame, 1941, p. 37. is generally regarded as a source for Pope Pius XI's social encyclical Quadragesimo anno.Grosschmid, Geza B. "Pesch's Concept of the Living Wage in 'Quadragesimo Anno'," Review of Social Economy 12 (2), 1954.Ederer, Rupert J. "Heinrich Pesch, Solidarity, And Social Encyclicals," Review of Social Economy 49 (4), 1991.Krason, Stephen M. "Principles of Heinrich Pesch's Solidarism," The Catholic Social Science Review 14, 2009, pp. 477-483.
