1. Virgil Michel, “The Basic Need of Christian Education Today,” Catholic Educational Review 28 (1930): 6–8.
2. John Tracy Ellis, “American Catholics and the Intellectual Life,” Thought 30 (1955–1956): 351–88.
3. Pierre Teilhard de Chardin, The Phenomenon of Man (London: Collins, 1955).
4. John Courtney Murray, S. J., We Hold These Truths: Catholic Reflections on the American Proposition (Kansas City, MO: Sheed & Ward, 1960).
5. Philip Gleason, Keeping the Faith: American Catholicism Past and Present (Notre Dame, IN: University of Notre Dame Press, 1987), 58–81.