Bibliografie
] . (2021). Jacobus Vrel in Zwolle. In , Jacobus Vrel. Searching for Clues to an Enigmatic Artist (pp. 74-89). München: Hirmer.
. (2012). Jacobus van Gruitrode. In , Amo te, sacer ordo Carthusiensis. Jan De Grauwe, passionné de l’Ordre des Chartreux (2e ed., Vol. 1, pp. 401-427). Leuven: Peeters.
. (2019). Jacobus Latomus versus Martin Luther. 1521. In , Manuscripts & Precious Books in the Maurits Sabbe Library - KU Leuven (pp. 42-43). Leuven: Peeters.
. (1995). Ivetta of Huy. Mater et magistra. In , Sanctity and Motherhood. Essays on Holy Mothers in the Middle Ages (Vol. 14, pp. 225-258). New York: Garland Publishing.
. (2014). Iuxta modum cartusiensium. Kartäusische Einflüsse in der spätmittelalterlichen Klosterlandschaft der Niederlande. In , The Carthusians in the Low Countries. Studies in Monastic History and Heritage (Vol. 4, pp. 105-127). Leuven: Peeters.
. (2001). It kleaster Anjum en syn oergong nei Windesheim. In , Speculum Frisicum. Stùdzjes oanbean oan Philippus H. Breuker (pp. 23-44). Leeuwarden: Fryske Akademy.
. (2023). Iste liber videtur esse factus ab Aristotile: Bartholomew of Bruges and the Medieval Reception of the De Inundatione Nili. In , Pseudo-Aristotelian Texts in Medieval Thought. Acts of the XXII Annual Colloquium of the Société Internationale pour l’Étude de la Philosophie Médiévale, Cluj-Napoca, 28-30 September 2016 (pp. 235-267). Turnhout: Brepols. doi:https://doi.org/10.1484/M.RPM-EB.5.134873
. (2012). Ist der Jünger über dem Meister? Ius proprium, Appellation und Appellationsverbot an den Apostolischen Stuhl in der vita religiosa des 12. Jahrhunderts. In , Innovation in Klöstern und Orden des Hohen Mittelalters. Aspekte und Pragmatik eines Begriffs (Vol. 48, pp. 75-90). Berlin: LIT.
. (2020). Inwardness and Individualization in the Late Medieval Low Countries: An Introduction. In , Inwardness, Individualization, and Religious Agency in the Late Medieval Low Countries. Studies in The 'Devotio Moderna' and its Contexts (Vol. 43, pp. 1-34). Turnhout: Brepols. doi:https://doi.org/10.1484/M.MCS-EB.5.119387
. (2017). The Investiture Controversy in the Diocese of Liège Reconsidered: An Inquiry into the Positions of the Abbeys of Saint-Hubert and Saint-Laurent and the Canonist Alger of Liège (1091-1106). In , Medieval Liège at the Crossroads of Europe. Monastic Society and Culture, 1000-1300 (Vol. 37, pp. 183-217). Turnhout: Brepols.
. (1996). The invention of a notion: on the historiography of Bishop Bernold's churches and the cross of churches in Utrecht. In , Utrecht: Britain and the continent. Archaeology, art and architecture (Vol. 18, pp. 88-98). London: Routledge.
. (2020). Inventing Secular Devotion: Dirc of Herxen and Dionysius the Carthusian on the Life of Married People. In , Modus Vivendi: Religious Reform and the Laity in Late Medieval Europe (Vol. 19, pp. 71-87). Roma: Viella Libreria Editrice.
. (2013). Invented Speeches and the Teaching of Declamation in the Tenth-Century Schools of Liège. In , Amicorum societas: mélanges offerts à François Dolbeau pour son 65e anniversaire (pp. 19-26). Firenze: Sismel.
. (2006). Introduction:A Survey of Hospitaller Women in the Middle Ages. In , Hospitaller women in the Middle Ages (pp. 1-42). Aldershot: Ashgate.
. (2021). Introduction. Religious Connectivity as a Holistic Approach to Urban Society. In , Religious Connectivity in Urban Communities (1400-1550): Reading, Worshipping, and Connecting through the Continuum of Sacred and Secular (Vol. 1, pp. 11-20). Turnhout: Brepols.
. (2018). Introduction. Les nouvelles découvertes de peintures murales, enrichissement de la connaissance et du patrimoine. In , 1994-2014, Vingt années de découvertes de peintures monumentales. Bilans et perspectives (pp. 19-34). Montpellier: Presses universitaires de la Méditerranée.
. (2019). Introduction: la restitution des biens mal acquis, une question historiographique. In , Male ablata. La restitution des biens mal acquis, XIIe-XVe siècle (Vol. 547, pp. 1-14). Roma: École française de Rome.
. (2009). Introduction. La principauté de Liège, terre fertile de culture. Le Moyen Âge. Prier, lire, écrire, étudier, enseigner…. In , Florilège du livre en principauté de Liège du IXe au XVIII e siècle (Vol. 34, pp. 5-8). Liège: Société des Bibliophiles liégeois.
. (2009). Introduction. La principauté de Liège, terre fertile de culture. Les temps modernes. In , Florilège du livre en principauté de Liège du IXe au XVIII e siècle (Vol. 34, pp. 8-15). Liège: Société des Bibliophiles liégeois.
. (2020). Introduction. In , De canonicis qui seculares dicuntur. Treize siècles de chapitres séculiers dans les anciens Pays-Bas. Thirteen Centuries of Chapters of Secular Canons in the Low Countries (Vol. 105, p. 203). Turnhout: Brepols.
. (2019). Introduction. In , Bishops in the Long Tenth Century. Episcopal Authorities in France and Lotharingia, c. 900-c. 1050 (Vol. 6, pp. 1-7). Turnhout: Brepols.
. (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.
. (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.