Dietrich Bonhoeffer, Annie Dillard, Thomas Merton, C. S. Lewis, Henri J. M. Nouwen, John Donne, Meister Eckhart, Dorothy Day, Thomas Stearns Eliot, Edith Stein, Thomas Aquinas, Philip Yancey
National Research Council, Division on Engineering and Physical Sciences, Commission on Engineering and Technical Systems, Committee on Advanced Automotive Technologies Plan