Bibliografie
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The Relics of Saint Odilia in Abbey Mariënlof (Kerniel, Belgium). In , Relics @ the Lab. An Analytical Approach to the Study of Relics (Vol. 20, pp. 155-204). Leuven: Peeters.
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. (2004). The Relic Treasure of Herkenrode, an Online Data Base. In , Relics @ the Lab. An Analytical Approach to the Study of Relics (Vol. 20, pp. 205-212). Leuven: Peeters.
. (2018). Relevés et analyses archéologiques de l’intérieur de la collégiale Sainte-Gertrude de Nivelles (Bt wallon). Archaeologia mediaevalis, 37, 28.
. (2014). The Relationship between Secular and Ecclesiastical Authorities in the Consultations of Pontifical Law by Joannes Wamesius (1524-1590). In , Pulchritudo tam antiqua et tam nova: Studies in History of Christianity in Honour of Mathijs Lamberigts (Vol. 107, pp. 145-157). Turnhout: Brepols.
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. (2007). Relaties tussen de O.L.-Vrouwe-abdij van Roermond en parochies in de omgeving: een verkenning. In , De Munsterabdij van Roermond. Een ontdekkingstocht door achthonderd jaar geschiedenis van een vrouwenklooster (pp. 158-167). Zwolle: WBooks-Stichting Rura Roermond.
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Rekonfigurationen regionaler Ordnungen. Die religiösen Gemeinschaften in Lothringen und das Papsttum (ca. 930-1130). Beihefte. Forschungen zur Kaiser- und Papstgeschichte des Mittelalters (p. 345). Göttingen: Vandenhoeck & Ruprecht.
. (2023). Rekken fan de kleasteropkomsten yn Fryslân oer it boekjier 1606/1607, opmakke troch Joannes Henrici [Rhala]. In , Boarnerige (pp. 35-153). Leeuwarden: Fryske Akademy.
. (1993). Rekeningen van de kerkfabriek van de Sint-Leonarduskerk van Zoutleeuw (1405, 1452-1599). Fontes Historiae Artis Neerlandicae (Vol. 3, p. 660). Leuven: Peeters.
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Reims, mardi 24 novembre 1192. L'évêque Albert de Liège est assassiné. In , Liège. Autour de l’an mil, la naissance d’une principauté (Xe-XIIe siècle) (p. 94). Liège: Éditions du Perron.
. (2000). Reims, Liège, and Institutional Reform in the Central Middle Ages: Flavius Josephus as a Father of the Church. In , Medieval Liège at the Crossroads of Europe. Monastic Society and Culture, 1000-1300 (Vol. 37, pp. 109-150). Turnhout: Brepols.
. (2017). Reichsgut, Missionierung und Kirchenorganisation im frühmittelalterlichen Sachsen. Jahrbuch der Gesellschaft für niedersächsische Kirchengeschichte, 115, 7-28.
. (2017). The Regular Observance of Women Converts of St. Augustine. In , Piety in Practice and Print (Vol. 4, pp. 153-179). Hilversum: Verloren.
. (2016). The Regular Canons and Some Socio-Religious Aspects about the Year 1100. In , Religion, Culture, and Mentalities in the Medieval Low Countries. Selected Essays (pp. 169-180). Turnhout: Brepols.
. (2005). 'Regressie' in de laatmiddeleeuwse monastieke geschiedschrijving? De casus van de Gentse benedictijnenabdijen Sint-Baafs en Sint-Pieters . Belgisch Tijdschrift voor Filologie en Geschiedenis, 84, 217-242.
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