Hagiography and the Cult of Saints. The Diocese of Orléans, 800-1200. Cambridge: Cambridge University Press, 1990.
Soldiers of Christ: Saints' Lives from Late Antiquity and the Early Middle Ages. University Park, PA: Pennsylvania State University Press, 1994. Co-editor with Thomas Noble.
Medieval Hagiography: An Anthology. New York: Garland Press, forthcoming in 1998. Sole editor.
"Peace and Power in France Around the Year 1000." Essays in Medieval Studies, 23 (2006), pp. 1-17.
"The Genesis of the Ordeal of Relics by Fire in Ottonian Germany: An Alternative Form of 'Canonization.'" In Gábor Klaniczay (ed.), Procès de canonisation au Moyen Âge: Aspects juridiques et religeux. Medieval Canonization Processes: Legal and Religious Aspects (Rome: École Française de Rome, 2004), pp. 19-37.
"Discontinuity and Discovery in the Cult of Saints: Apulia from Late Antiquity to the High Middle Ages." Hagiographica, 6 (1999), pp. 1-41.
"Saint, Heretics, and Fire: Finding Meaning through the Ordeal." In Barbara Rosenwein and Sharon Farmer (eds.), Monks and Nuns, Saints and Outcasts: Religious Expression and Social Meaning in the Middle Ages. (Ithaca, NY: Cornell University Press, 1999), pp. 220-38.
"The Marriages of Christina of Markyate." Viator, 21 (1990), pp. 71-95. (An abridged version in Samual Fanous and Henrietta Leyser [eds.], Christina of Markyate [London: Routledge, 2004].)
"Naming Names: The Nomenclature of Heresy in the Early Eleventh Century." In Rachel Fulton and Bruce W. Holsinger (eds.), History in the Comic Mode: Medieval Communities and the Matter of Person (Columbia University Press, 2007), pp. 91-100.
"The Ambiguous Bishop." In John Ott and Anna Trumbore Jones (eds.), The Bishop Reformed (Ashgate, 2007), pp. 269-85.
"The Development of the Peace of God in Aquitaine (970-1005)." Speculum, 74 (1999), pp. 656-86.
"Art and Artifice in Ottonian Trier." Gesta, 36 (1997), pp. 65-82.