“The Introductory Rites: Theology of the Latin Text and Rite.” In A Commentary on the Order of Mass of the Roman Missal, ed. Edward Foley, 125-132. Collegeville: Liturgical Press, 2011.
“Postbaptismal Rites in Early Roman Practice.” Studia Liturgica 42 (2012): 176-189.
"The Roman Missal through the Centuries." Liturgical Ministry 20 (2011): 105-116.
"The Scrutinies: Exorcisms That Make Lent a Joyful Season," Catechumenate: A Journal of Christian Initiation 32 (2010): 19-27.
"The Baptistery at Dura-Europos: The Wall Paintings in the Context of Syrian Baptismal Theology," Ephemerides liturgicae 120 (2006): 67-78.
"New Observations About the Scrutinies of the Elect in Early Roman Practice," Worship 80 (2006): 511-527.
"Baptism: Birth in the Spirit or Dying with Christ," Ecclesia orans 22 (2005): 295-314.
"Syrian Prebaptismal Anointing and Western Postbaptismal Chrismation," Worship 79 (2005): 328-341.
"The Roman Canon: The Theological Significance of Its Structure and Syntax." In Primary Readings on the Eucharist, ed. Thomas J. Fisch, 129-156. Collegeville: Liturgical Press, 2004.
"The Roman Canon: The Theological Significance of Its Structure and Syntax," Ecclesia orans 20 (2003): 99-128.
“Baptism and Confirmation: Distinct Sacraments, One Liturgy,” Liturgical Ministry 9 (2000): 63-71.
“The Greeting of Peace in the Revised Sacramentary: A New Pastoral Option.” In Liturgy for the New Millennium: A Commentary on the Revised Sacramentary Essays in Honor of Anscar J. Chupungco, O.S.B., ed. Mark R. Francis, C.S.V. and Keith F. Pecklers, S.J., 97-110. Collegeville: Liturgical Press, 2000.
"The Kiss of Peace: A Suggestion from the Ritual Structure of the Missa," Ecclesia orans 14 (1997): 79-94.
Current Research Projects
The Catechumenate and Baptism in Early Roman Practice. Book under contract with Liturgical Press, Collegeville, MN.
"Baptisteries of Rome and Southern Italy." A contribution to a book that will catalogue ancient baptisteries and elucidate their liturgical contexts.
Articles on the Gelasian Scrutinies and on the Gelasian Hanc igitur for the Scrutiny Masses.