Bibliografie
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. (1992). Cartularium van de brieven van het O.L. Vrouweklooster te Renkum 1383-1609. Werken Gelre (Vol. 41, p. 181). Arnhem: Vereniging Gelre.
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. (2006). Cartulaires, cartularisation et scripturalité médiévale: la structuration d’un nouveau champ de recherche. Cahiers de civilisation médiévale, 49(1), 21-31.
. (2019). Cartulaire de l’abbaye de Saint-Pierremont (1095-1297). Édition d’après le manuscrit de la Bibliothèque nationale de France, nouvelles acquisitions latines, 1608. Atelier de recherche sur les textes médiévaux (Vol. 25, p. 375). Turnhout: Brepols.
. (2014). The Carthusians in the Low Countries. Introduction. In , The Carthusians in the Low Countries. Studies in Monastic History and Heritage (Vol. 4, pp. 11-29). Leuven: Peeters.
. (2012). The Carthusian General Chapter and the Carterhouse of Diest. In , Amo te, sacer ordo Carthusiensis. Jan De Grauwe, passionné de l’Ordre des Chartreux (2e ed., Vol. 1, pp. 345-370). Leuven: Peeters.
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. (1994). "Carolus monasteriorum multorum eversor et ecclesiasticarum pecuniarum in usus proprios commutator?" Notes sur la politique monastique du maire du palais Charles Martel. In , Karl Martell in seiner Zeit (pp. 277-294). Sigmaringen: Thorbecke.
. (2016). The Carolingians and the Regula Benedicti. In , Religious Franks. Religion and Power in the Frankish Kingdoms: Studies in Honour of Mayke de Jong (pp. 243-261). Manchester: Manchester University Press.
. (2020). Carolingian monastic schools and reform. In , The Cambridge History of Medieval Monasticism in the Latin West. I. Origins to the Eleventh Century (pp. 450-465). Cambridge: Cambridge University Press.
. (2021). The Carolingian local ecclesia as a ‘temple society’?. Early Medieval Europe, 29(4), 535-554.
. (2024). Carolingian After-Images: Hariulf’s History of St Riquier and Its Context. Journal of Medieval History, 50(2), 236-246.
. (2020). The Carmelite Rule. In , A Companion to Medieval Rules and Customaries (Vol. 93, pp. 367-392). Leiden: Brill.
. (2006). Cares Beyond the Walls: Cistercian Nuns and the Care of Lepers in Twelfth- and Thirteenth-Century Northern France. In , Religious and laity in Western Europe. 1000-1400. Interaction, negotiation and power (Vol. 2, pp. 197-224). Turnhout: Brepols.
. (2005). Care for the here and the hereafter. A multitude of possibilities. In , Care for the here and the hereafter. Memoria, art and ritual in the Middle Ages (Vol. 13, pp. 13-34). Turnhout: Brepols.