“Hell: the Mystery of Eternal Love and Eternal Obduracy,” Theological Studies (March 2014) 75:52-73.pp. 1-22.
"The Mystical Theology of Karl Rahner," The Way 52/2 April 2013, pp. 43–62.
"In Purgatory We Shall All be Mystics,” Theological Studies 73 (December 2012), pp. 870–89.
“Evelyn Underhill Revisited,” The Way 51/1 (January 2012), pp. 223-39.
Numerous entries in The Encyclopedia of Christian Civilization, 2010.
Soundings in the Christian Mystical Tradition. Collegeville, MN: Liturgical Press, 2010.
"The Church is Mystagogical," The Many Marks of the Church, eds. William Madges and Michael J. Daley. New London, CT: Twenty-Third Publications, 2006, pp. 162-66.
Foreword for The Discernment of Spirits: An Ignatian Guide for Everyday Living, Timothy M. Gallagher, O.M.V. New York: Crossroad, 2005, xiii-xvii.
"Theology and Spirituality," The Cambridge Companion to Karl Rahner, eds. Declan Marmion and Mary Hines. Cambridge University Press, 2005, pp. 13-28.
"A Rahnerian Response," Sic et Non: Encountering Dominus Iesus, eds. Stephen J. Pope and Charles Hefling. Maryknoll, NY: Orbis, 2002, pp. 57-68.
"Karl Rahner's Theological Life," Budhi: A Journal of Ideas and Culture VIII/1&2, 2004, pp. 179-89.
"Pierre Teilhard de Chardin's Christocentric Mysticism," Budhi: A Journal of Ideas and Culture VIII/1&2, 2004, pp. 121-36.
"Reflections of Saint Faustina," Budhi: A Journal of Ideas and Culture VI/2&3, 2002, pp. 189-221.
Karl Rahner: Mystic of Everyday Life. New York: Crossroad, 1998.
An Anthology of Christian Mysticism. Collegeville, MN: The Liturgical Press, 1996, second edition.
I Mistici e la mistica: Antologia dell mistica Cristiana, cura di Luigi Borriello, O.C.D. Vatican City: Libreria Editrice Vaticana, 1995.
Translation editor of The Great Church Year: The Best of Karl Rahner's Homilies, Sermons, and Meditations. New York: Crossroad, 1993.
Translation editor of The Content of Faith: The Best of Karl Rahner's Theological Writings. New York: Crossroad, 1993.
An Anthology of Christian Mysticism. Collegeville, MN: The Liturgical Press, 1991.
Translation editor and partial translator of Faith in a Wintry Season: Conversations and Interviews with Karl Rahner in the Last Years of His Life. New York: Crossroad, 1990.
Ignatius Loyola The Mystic. Wilmington, DE: Michael Glazier, 1987. Collegeville, MN: The Liturgical Press, second revised edition, 1991.
Translation editor for Karl Rahner In Dialogue: Conversations and Interviews 1965-1982. New York: Crossroad, 1986.
Translator of Karl Rahner — I Remember. New York: Crossroad, 1985.
Christian Mysticism: The Future of a Tradition. New York: Pueblo Publishing Company, 1984.
What Are They Saying About Mysticism? Ramsey, NJ: Paulist Press, 1982. Also published in England by Fowler Wright.
The Spiritual Exercises and the Ignatian Mystical Horizon. Foreword by Karl Rahner. St. Louis: Institute of Jesuit Studies, 1976.
An Anthropocentric-Christocentric Mystagogy: A Study of the Method and Basic Horizon of Thought and Experience in the Spiritual Exercises of Saint Ignatius of Loyola. University of Münster Offset, 1973. Dissertation, 535 pages. Distributed by the Program to Promote the Spiritual Exercises. Jersey City, NJ.