Bibliografie
] . (2008). Internationale “Schildersbijbel” op kerkplafond Enkhuizen. Tijdschrift voor Nederlandse Kerkgeschiedenis, 11(3), 90-91.
. (2009). Internationale Perspektiven der Erforschung des Deutschen Ordens. In , Institution und Charisma. Festschrift für Gert Melville (pp. 159-170). Köln: Böhlau.
. (1996). Internal Arrangements in Utrecht Cathedral before and after the Reformation. In , Utrecht: Britain and the continent. Archaeology, art and architecture (Vol. 18, pp. 253-261). London: Routledge.
. (2018). Intermediary Leadership. The Agency of Abbesses in Ottonian Saxony. In , Abbots and Abbesses as a Human Resource in the Ninth- to Twelfth-Century West (Vol. 74, pp. 41-59). Zürich: LIT.
. (1999). Intériorisation religieuse et propagande hagiographique dans les Pays-Bas méridionaux du 11e au 13e siècle. Revue d'histoire ecclésiastique, 94(3-4), 808-851.
. (2007). The Interdict in the Thirteenth Century. A Question of Collective Guilt (p. 300). Oxford: Oxford University Press.
. (2020). Interactions between Monks and the lay nobility (from the Carolingian Era through the eleventh century). In , .), The Cambridge History of Medieval Monasticism in the Latin West. I. Origins to the Eleventh Century (pp. 579-598). Cambridge: Cambridge University Press.
. (2023). An Intellectual Warrior and his Hero: Johannes Wessel Gansfort (1420-1489) and Jean Gerson (1363-1429). In , True Warriors? Negotiating Dissent in the Intellectual Debate (c. 1100-1700) (pp. 151-175). Turnhout: Brepols. doi:https://doi.org/10.1484/M.LECTIO-EB.5.135390
. (2005). The Integration of a Twelfth-Century Tower into a Thirteenth-Century Church: The Case of Notre-Dame de Donnemarie-en-Montois. Journal of the Society of Architectural Historians, 64, 74-99.
. (2009). Instruments de travail en histoire religieuse (catholicisme): outils généraux. Revue d’histoire religieuse du Brabant wallon, 23(3), 155-169.
. (2008). The Instruction of Monks in Christian of Stavelot’s Commentary on the Gospel of Matthew. Journal of Medieval Latin, 18, 24-35.
. (2018). Instructies voor jonge religieuzen uit Eemstein. In , De Moderne Devotie. Spiritualiteit en cultuur vanaf de late Middeleeuwen (pp. 38-39). Zwolle: Wbooks.
. (2022). Institutions, Identities, and the Realization of Reform: An Introduction. In , Monastic Communities and Canonical Clergy in the Carolingian World (780–840): Categorizing the Church. Turnhout: Brepols. doi:https://doi.org/10.1484/M.MMS-EB.5.128526
. (2014). Institutionalizing Penitential Life in Later Medieval and Early Modern Europe; Third Orders, Rule, and Canonical Legitimacy. Church History, 83(2), 297-323.
. (2020). The institutionalization of religious orders (12th–13th c.). In , The Cambridge History of Medieval Monasticism in the Latin West. II. The High and Late Middle Ages (pp. 783-802). Cambridge: Cambridge University Press.
. (2015). The Institutional Nature of Parishes and the Restoration of the Church after Iconoclasm. The Case of St James and St Pharahild in Ghent. Belgisch Tijdschrift voor Filologie en Geschiedenis, 93(3-4), 669-691.
. (2009). Insinuation, Censorship and the Struggle for Late Carolingian Lotharingia in Regino of Prüm’s Chronicle. English Historical Review, 124(506), 1-28.
. (1993). Insignes van Onze Lieve Vrouw en Johannes de Evangelist uit 's-Hertogenbosch. In , Heilig en profaan. 1000 laatmiddeleeuwse insignes uit de collectie van H.J.E. van Beuningen (pp. 58-63). Cothen: Stichting middeleeuwse religieuze en profane insignes.
. (1993). Insignes, religieus en profaan. In , . Cothen: Stichting middeleeuwse religieuze en profane insignes.
. (2011). Inside and Outside. Some Considerations about Cloistral Boundaries in the Central Middle Ages. In , Ecclesia in medio nationis. Reflections on the Study of Monasticism in the Central Middle Ages. Réflexions sur l’étude du monachisme au moyen âge central (Vol. 42, pp. 167-182). Leuven: Leuven University Press.
. (2020). Inscribed in the Book of Life: Liturgical Commemoration in Merovingian Gaul. In , The Oxford Handbook of the Merovingian World (pp. 1012-1030). Oxford: Oxford University Press. doi:https://doi.org/10.1093/oxfordhb/9780190234188.013.52
. (2015). The Inquisitorial Office in the Sixteenth-Century Habsburg Low Countries: A Dynamic Perspective. Journal of Ecclesiastical History, 66(1), 47-66.
. (2017). Inquisiteur Jacob van Hoogstraten (ca. 1460-1527) over het vagevuur. Tijdschrift voor Nederlandse Kerkgeschiedenis, 20(4), 125-130.
. (2010). Innerlijke vertroosting. Het begrippenpaar solacium/consolacio in De imitacione Christi. In , De letter levend maken. Opstellen aangeboden aan Guido de Baere bij zijn zeventigste verjaardag (Vol. 39, pp. 247-263). Leuven: Peeters.