Bibliografie
] . (2012). Eclaircissements sur le Chronicon genealogicum Nivellense (fin XIIIe siècle). Annales de la Société royale d’Archéologie, d’Histoire et de Folklore de Nivelles et du Brabant wallon, 32, 11-17.
. (2015). Eckhart en pseudo-Hadewijch: stem en tegenstem. Dilectus deo et hominibus en Alle dinghe sijn mi te inghe. Ons Geestelijk Erf, 86(2), 83-109.
. (2009). Echoes of Benedictine Reform in an Eleventh-century Booklist from Marchiennes. Scriptorium, 63, 79-88.
. (1996). An Echo of Adso of Montier-en-Der in Herman of Tournai's Liber de restauratione S. Martini Tornacensis. Revue bénédictine, 106, 192-202.
. (2015). Ecclesiastical Institutions and Religious Life in the Observant Century. In , A Companion to Observant Reform in the Late Middle Ages and Beyond (Vol. 59, pp. 23-59). Leiden: Brill.
. (2017). Ecclesia semper reformanda: Medieval Ideas and Attempts at Church Reform. In , Martin Luther. A Christian between Reofrms and Modernity (1517-2017) (Vol. 1, pp. 75-89). Berlin-Boston: De Gruyter.
. (2015). Ecclesia Semper Reformanda. De eerste martelaren van de Hervorming (1523) en hun herdenking te Brussel in 1923. Eigen Schoon en de Brabander, 98(1), 37-64.
. (2004). Eau et hydraulique à l'abbaye cistercienne de Marquette (XIIIe-XXe s.. In , Les chemins de l'eau, Les réseaux hydrauliques des abbayes cisterciennes du nord de la France et de la Wallonie (Vol. 1, pp. 87-92). Annay: Institut du Patrimoine Wallon.
. (2020). Eastern influence on Western monasticism, 850-1050. In , The Cambridge History of Medieval Monasticism in the Latin West. I. Origins to the Eleventh Century (pp. 631-646). Cambridge: Cambridge University Press.
. (2020). East and West in the Devotio moderna? A Critical Reexamination. Ons Geestelijk Erf, 90(3-4), 330-362.
. (1989). The early scriptorium at Echternach: the state of the question. In , Willibrord: Apostel der Niederlande, Gründer der Abtei Echternach: Gedenkgabe zum 1250. Todestag des angelsächsischen Missionars (pp. 127-134). Luxembourg: Imprimerie Saint-Paul.
. (2013). The Early Reception of the Devotio Moderna among the Crutched Friar. Church History and Religious Culture, 93(4), 505-534.
. (2016). Early Hospital Developments in the Provinces of Holland, Zealand and Utrecht. In , Piety in Practice and Print (Vol. 4, pp. 31-73). Hilversum: Verloren.
. (1989). Early Echternach manuscript fragments with Old Irish glosses. In , Willibrord: Apostel der Niederlande, Gründer der Abtei Echternach: Gedenkgabe zum 1250. Todestag des angelsächsischen Missionars (pp. 135-143). Luxembourg: Imprimerie Saint-Paul.
. (2023). The Earliest Form and Function of the ‘Admonitio synodalis’. Frühmittelalterliche Studien, 57, 347-380. doi:https://doi.org/10.1515/fmst-2023-0019
. (2018). Dynastie, Religion, Konfession. Die Hochstifte des Heiligen Römischen Reiches Deutscher Nation zwischen Dynastisierung und Konfessionalisierung (1448-1648). Reformationsgeschichtliche Studien und Texte (Vol. 1-3, Vol. 166, p. 2240). Münster: Aschendorff.
. (2015). Dynamics of Regulation, Innovation, and Invention. In , A Companion to Observant Reform in the Late Middle Ages and Beyond (Vol. 59, pp. 85-110). Leiden: Brill.
. (2020). Dymphna, her Historical Background and Cult. In , Crazy about Dymphna. The Story of a Girl who Drove a Medieval City Mad (pp. 266-278). Veurne: Hannibal-The Phoebus Foundation.
. (2015). Dwalende tempeliers en klagende hospitaalridders: het lot van de tempeliers in het graafschap Vlaanderen (1284-1332). Westhoek, 31(1), 5-115.
. (2013). Dwaalwegen. Recente hypotheses over Hadewijchs biografie. Ons Geestelijk Erf, 84(2-3), 153-194.
. (2018). The Dutifully Incompetent Autographs of Daniel de Blochem, Canon of Saint Paul in Liege. In , Librorum studiosus. Miscellanea palaeographica et codicologica Alberto Derolez dicata (Vol. 46, pp. 345-360). Turnhout: Brepols.
. (2018). A Dutch Prayer Book with the Hours of Geert Grote from the University Library of the John Paul II Catholic University of Lublin (BU KUL, Lublin, ms. 2626). Roczniki Humanistyczne, 66(5), 143-165.