Bibliografie
] . (2007). Fulcard’s Pigsty. Cluniac Reformers, Dispute Settlement and The Lower Aristocracy in Early-Twelfth-Century Flanders. Viator, 38, 91-115.
. (2018). Fuidity in Stillness. A Reading of Hadewijch’s Strofische Gedichten / Poems in Stanzas. Traditio, 73, 179-211.
. (2004). From the medieval "love of God" to the "faith" of Luther. A contribution to the history of penitence. In , The reformation of faith in the context of late medieval theology and piety: essays by Berndt Hamm (Vol. 110, pp. 128-152). Leiden: Brill.
. (2021). From the IJssel Valley to Paris and Rome via Montserrat. Ignatius of Loyola and Repositioning the Origins of Modern Piety. Church History and Religious Culture, 101(1), 33-60.
. (2011). From Strassburg to Trent: Bishops, Printing and Liturgical Reform in the Fifteenth Century. Past and Present, 213, 3-39.
. (2019). From Sithiu to Saint-Bertin. Hagiographic Exegesis and Collective Memory in the Early Medieval Cults of Omer and Bertin. Studies and Texts (Vol. 219, p. XIII+340). Turnhout: Brepols.
. (2005). From Sermon to Science: Monastic Prologues from the Southern Low Countries as Witnesses of Historical Consciousness (10th-15th Centuries). In , Medieval Narrative Sources. A Gateway into the Medieval Mind (Vol. 34, pp. 37-54). Leuven: Leuven University Press.
. (2013). From Scandal to Monastic Penance: A Reconciliatory Manuscript from the Early Twelfth-Century Abbey of St. Laurent in Liège. Church History, 82(3), 523-553.
. (2015). From Reading to Writing: The Multiple Levels of Literacy of the Sister Scribes in the Brussels Convent of Jericho. In , Nuns’ Literacies in Medieval Europe. The Kansas City Dialogue (Vol. 27, pp. 47-66). Turnhout: Brepols.
. (2021). From One Mortality Regime to Another? Mortality Crises in Late Medieval Haarlem, Holland, in Perspective. Speculum, 96(1), 127-155.
. (2019). From Micro- to Macro-processes of Religious Change. The Holy Name of Jesus and Christocentric Devotion in the Long Fifteenth Century. Church History and Religious Culture, 99(3-4), 412-439.
. (2016). From Memoria to Commemoration? Stained-Glass Windows in the Netherlands before and after the Reformation. In , Reformations and their Impact on the Culture of Memoria (Vol. 1, pp. 201-249). Turnhout: Brepols.
. (2014). From Eckhart to Ruusbroec. A Critical Inheritance of Mystical Themes in the Fourteenth Century. Mediaevalia Lovaniensia. Series 1. Studia (Vol. 44, p. 312). Leuven: Leuven University Press.
. (2002). From chronicle and history to satire, travelogue and 'sermo'. The decline of the monastic chronicle in twelfth- and thirteenth-century Europe. In , The Medieval Chronicle II. Proceedings of the 2nd International Conference on the Medieval Chronicle, Driebergen, Utrecht, 16 - 21 July 1999 (Vol. 144, pp. 268-280). Amsterdam-Atlanta: Rodopi.
. (2011). From Altar to Amulet: Relics, Portability, and Devotion. In , Treasures of Heaven. Saints, Relics, and Devotion in Medieval Europe (pp. 111-116). London: The British Museum Press.
. (2021). The Frisians as Chosen People. Religious-patriotic Historiography in Fifteenth Century Frisa. Amsterdamer Beiträge zur Älteren Germanistik, 81, 172-207.
. (2023). On the Frings: Anchorites. In , Medieval women religious c. 800-c. 1500. New Perspectives (pp. 76-89). Woodbridge: The Boydell Press.
. (1994). Friezen en het hiernamaals. Zieleheilsbeschikkingen ten gunste van kerken, kloosters en armen in testamenten uit Friesland tot 1580. In , Zorgen voor zekerheid. Studies over Friese testamenten in de vijftiende en zestiende eeuw (Vol. 779, pp. 175-214). Leeuwarden: Fryske Akademy-Fries Genootschap voor Geschied-, Oudheid- en Taalkunde.
. (1995). Friezen en de zeggenschap over hun kerken in de Middeleeuwen. In , Over kaken, broodbanken en etstoelten. Sporen van middeleeuws Nederland (pp. 123-124). Utrecht: Matrijs.
. (2004). Friezen en de zeggenschap over hun kerken in de Middeleeuwen (p. 20). Leiden: Universiteit Leiden.
. (2000). Frieslands oudheid. Het rijk van de Friese koningen, opkomst en ondergang. () (p. 408). Utrecht: Matrijs.
. (2003). Friesische Freiheit. Leben und Legende. In , Die Friesische Freiheit des Mitteltalters. Leben und Legende (pp. 8-13). Aurich: Ostfriesische Landschaftliche Verlags- und Vertriebsgesellschaft.
. (2003). Friesische Freiheit in Kirchspiel und Kloster. In , Die Friesische Freiheit des Mitteltalters. Leben und Legende (pp. 194-245). Aurich: Ostfriesische Landschaftliche Verlags- und Vertriebsgesellschaft.