"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.

Current Research Projects

"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.