- “How to Remain Unconquered: Lessons in Nonviolence from the Danish Resistance to Nazism.” [Online title: Nonviolence Against Nazism: How the Danes Remained Unconquered]. Commonweal 151, no. 6 (June 2024): 10–12.
- “Why We ‘Proceed Through Friendship’,.” Bridgefolk.Org. 19 September 2022.
- “Of Elves and Theologians.” GeraldSchlabach.Net. 8 December 2021.
- “Where Have You Gone Malcolm Gladwell? An Open Letter.” Bearings Online. Collegeville Institute for Ecumenical and Cultural Research. 19 November 2020.
- “We Are All Monks Now.” Bearings Online. Collegeville Institute for Ecumenical and Cultural Research. 7 April 2020.
- Review of The Sermon on the Mount and Moral Theology: A Virtue Perspective by William C. Mattison III. Modern Theology 36, no. 1 (January 2020): 232–35.
- “The Christian Globe Tilts South.” In The Christian Theological Tradition. 4th ed., eds Mark McInroy and Michael J. Hollerich, 423–34. New York: Routledge, 2019.
- “Latin American Liberation Theology.” In The Christian Theological Tradition. 4th ed., eds Mark McInroy and Michael J. Hollerich, 568–75. New York: Routledge, 2019.
- “The Mystery in Ordinary Churches.” Bearings Online. Collegeville Institute for Ecumenical and Cultural Research. 5 November 2019.
- “Putting Lent Back into Christmas.” Bearings Online. Collegeville Institute for Ecumenical and Cultural Research. 6 December 2018.
- “Why Believe in God? To Live Inside a Poem.” Bearings Online. Collegeville Institute for Ecumenical and Cultural Research. 4 October 2018.
- “Things I’ve Learned from Fundamentalists.” Bearings Online. Collegeville Institute for Ecumenical and Cultural Research. 7 May 2018.
- “Works-Righteousness and the Politics of Virtue Signaling.” Bearings Online. Collegeville Institute for Ecumenical and Cultural Research. 22 February 2017.
- “Exiles All: Going ‘All in’ on Immigration Reform.” Bearings Online. Collegeville Institute for Ecumenical and Cultural Research. 10 August 2017.
- “Just War? Enough Already.” Commonweal 144, no. 11 (16 June 2017): 9–14.
- “Playing the Long Game: Why Progress Isn’t the Church’s Goal.” Bearings Online. Collegeville Institute for Ecumenical and Cultural Research. 5 May 2017.
- Editors. “Pacifism in Action.” Interview with Gerald Schlabach. U.S. Catholic 82, no. 2 (February 2017): 28–32.
- “Pope Francis Shifting Catholics to Just Peacebuilding.” Symposium Ethics: An Online Communion of Christian Ethicists., 6 January 2017. Commentary on 2017 World Day of Peace message.
- “Abortion & Social Justice: ‘Prolife Progressive’ is not an Oxymoron.” Commonweal 144, no. 1 (6 January 2017): 11–13.
- “Pope Francis’ Peacebuilding Pedagogy.” Catholic Nonviolence Initiative website, 3 January 2017.
- “The Virtue of Staying Put: What the ‘Benedict Option’ Forgets About Benedictines.” Commonweal 143, no. 16 (7 October 2016): 11–13.
- “The Glamour of Evil: Look Beyond Surface to Find Authentic Joy.” 214, no. 4 (8 February 2016): 15-18.
- Review of The Story of Original Sin, by John E. Toews. Augustinian Studies 46, no. 2 (2015): 303–6.
- “Signs of That Peace: Peacemaking is Everybody’s Business.” America 211, no. 19 (22–29 December 2014): 20–24.
- “What is Marriage Now? A Pauline Case for Same-Sex Marriage.” Christian Century 131, no. 22 (29 October 2014): 22–27.
- “Lest Best Intentions become the Enemy of the Good.” Minnesota Campus Compact (11 June 2013).
- First published as “Lest Best Intentions.” Companion (Spring 2013): 6-9.
- “Outvoted, not Persecuted: Four Lessons About Religious Freedom.” Commonweal 134, no. 17 (12 October 2012): 22–24.
- “Love the Enemy in Your Pew.” Part of article series, “What will you take up? Suggestions for action and reflection during Lent.” America 206, no. 5 (20 February 2012): 20.
- “Praying in the Wild.” America 197, no. 6 (10 September 2007): 28–30.
- “You Converted to What? One Mennonite’s Journey.” Commonweal 134, no. 11 (1 June 2007).
- Review of John Howard Yoder: Mennonite Patience, Evangelical Witness, Catholic Convictions, by Mark Thiessen Nation. Theological Studies 67, no. 2 (June 2007).
- Review of Evil and the Augustinian Tradition, by Charles T. Mathewes. Pro Ecclesia 13.2 (Winter 2004) 111-113.
- Review of The Nonviolent Atonement, by J. Denny Weaver. Conrad Grebel Review 21:3 (Fall 2003) 112-15.
- “Just Policing, not War.” America 189, no. 1 (7-14 July 2003): 19-21.
- Summary essay. In The Conference on Lived Theology and Civil Courage: A Collection of Essays, 49-50. Charlottesville, Va.: The Project on Lived Theology, 2003.
- “The Bridgefolk Movement in Ecumenical Context.” Ecumenical Trends 32.3 (March 2003): 14-15.
- “We Pledge Allegiance….” Sojourners (January-February 2003) 15-16.
- 3rd place winner, Higher Goals editorial award, Evangelical Press Association, 2004.
- Review of With the Grain of the Universe: The Church’s Witness and Natural Theology, by Stanley Hauerwas. Catholic Books Review.
- “Working Notes on the Question of Policing, Post-9-11.” Peace Office Newsletter 32, no. 2 (April-June 2002): 10-11.
- “An Open Letter: Welcoming Oblates as Christ.” The American Monastic Newsletter 32:1 (February 2002) 3-4.
- “On Revisiting Tombs, the Marketplace, and Central America.” Christian Living (October-November 2001) 12-14.
- Review of Patristic Ethics, pt. 1 of Wholeness of Faith and Life: Orthodox Christian Ethics, by Stanley S. Harakas. Journal of Early Christian Studies 9:3 (Fall 2001) 405-6.
- “Continence.” In Augustine Through the Ages: An Encyclopedia, gen ed Allan D. Fitzgerald, O.S.A. Grand Rapids: Eerdmans, 1999.
- Lead author, in collaboration with Allan D. Fitzgerald, O.S.A., et al., of “Ethics.” In Augustine Through the Ages: An Encyclopedia, gen ed Allan D. Fitzgerald, O.S.A. Grand Rapids: Eerdmans, 1999.
- “The Case for Conference Authority.” The Mennonite; 15 September 1998, 8-9; and 22 September 1998, 12-13. Part one: “Patterns of Church Life.” Part two: “Four Aims of Community Life.”
- Review of Political Writings by Augustine, edited by Ernest L. Fortin, Roland Gunn, and Douglas Kries, with an introduction by Ernest L. Fortin. Journal of Early Christian Studies 5:1 (Spring 1997) 134-135.
- “People on a Bus: Some Confessions.” In Godward: Personal Stories of Grace, pp. 126-135. Ed. Ted Koontz. Scottdale, Pa.: Herald Press, 1996.
- Review of Augustine and the Limits of Virtue by James Wetzel. Journal of the American Academy of Religion 68:1 (Spring 1995) 184-186.
- Review of The Unity of Love for God and Neighbour in St. Augustine by Raymond Canning. Augustinian Studies 26 (1995) 155-158.
- Translation of Roger Arnaldez, Three Messengers for One God [Trois messagers pour un seul Dieu (Paris: Editions Albin Michel, 1983)]. With Mary Louise Gude and David Burrell. Notre Dame: University of Notre Dame Press, 1995.
- “The Blessing of Abraham’s Children: A Theology of Service.” Mission Focus 19:4 (December 1991): 52-55.
- German translation: “Der Segen über Abrahams Kindern: Zu einer Theologie des Dienens.” Mennonitisches Jahrbuch 1989: Diakonie — teilen und helfen. Pp. 18-24.
- “Service in the 21st Century is Still Everyone’s Business.” Gospel Herald (26 February 1991): 6-8.
- “Mission Strategy and the Reinvention of the Church in Latin America.” Mission Focus 17:1 (March 1989): 5-8.
- Guest editor of the March 1989 issue of Mission Focus on Anabaptist theology from Central America. (Mission Focus is a quarterly on missiology published by the Mennonite Board of Missions.)
- “Identification with the People in a Revolutionary Situation.” With two responses from Central America. MCC Occasional Paper, No. 2, May 1988.
- “Una perspectiva profética para Centroamérica” [A Prophetic Perspective for Central America]. Esperanza en Camino no. 1 (September 1986): 28-37.
- First presented at Desafío 84 conference on mission strategy. Antigua, Guatemala, May 1984.
- “Where Are Our Wounds?: A Call for Active Nonviolence in Central America.” Mission Focus 12:2 (June 1984): 21-24.