“Place, Spiritual Anthropology, and Sacramentality in Merton’s Later Years” in The Merton Annual: Studies in Culture, Spirituality, and Social Concerns, Volume 25. David Belcastro and Joseph Raab, eds. Louisville, KY: Fons Vitae, 2013, pp. 74-90.
“Sacramental Mediation between Theology and Spirituality” (long version) in Spirituality in the 21st Century: Explorations, John L. Hochmeier and William S. Schmidt, eds. Oxford, UK: Inter-Disciplinary Press, 2013, pp. 63-82.
“Sacramental Mediation between Theology and Spirituality” (short version), in Spirituality: Theory, Praxis and Pedagogy, Martin Fowler, John D. Martin III, and John L. Hochmeier, eds. Oxford, UK: Inter-Disciplinary Press, 2012, pp. 341-48.
“Collapsing the Sacred and the Profane: Pan-Sacramental Possibilities in Aquinas and the Implications for Spirituality.” The Heythrop Journal (Wiley-Blackwell), 2011; doi: 10.1111/j.1468-2265.2011.00684.x
“Substance Beyond Illusion: The Spirituality of Bede Griffiths.” The Way, 47/3 (July 2008), pp. 31-48.