Bibliografie
De bibliotheek en het intellectuele leven. In: . De Oude Abdij van Drongen. Elf eeuwen geschiedenis. Drongen-Leuven: Oude Abdij van Drongen-Kadoc-K.U. Leuven; 2006. pp. 229-255. .
The Church in the Low Countries between Gregorian Reform and Avignon. In: . Religion, Culture, and Mentalities in the Medieval Low Countries. Selected Essays. Turnhout: Brepols; 2005. pp. 81-152. .
The Byzantine Cross of Eine. In: . Religion, Culture, and Mentalities in the Medieval Low Countries. Selected Essays. Turnhout: Brepols; 2005. pp. 291-326. .
The Conversion of the Low Countries and Church Institutions until c. 1070 . In: . Religion, Culture, and Mentalities in the Medieval Low Countries. Selected Essays. Turnhout: Brepols; 2005. pp. 53-80. .
Dispute and Settlement in Medieval Cenobitical Rules. In: . Religion, Culture, and Mentalities in the Medieval Low Countries. Selected Essays. Turnhout: Brepols; 2005. pp. 271-290. .
Hermits and Regular Canons in the Twelfth Century. In: . Religion, Culture, and Mentalities in the Medieval Low Countries. Selected Essays. Turnhout: Brepols; 2005. pp. 181-248. .
The Regular Canons and Some Socio-Religious Aspects about the Year 1100. In: . Religion, Culture, and Mentalities in the Medieval Low Countries. Selected Essays. Turnhout: Brepols; 2005. pp. 169-180. .
Conversion: A Never-Ending Process II - Hermits & Canons. In: . Religion, Culture, and Mentalities in the Medieval Low Countries. Selected Essays. Turnhout: Brepols; 2005. pp. 153-168. .
Elk zijn preek. Over vroegmiddeleeuwse preken bestemd voor leken. Trajecta. 2002;11:3-17. .
La parole du seigneur. Moines et chanoines médiévaux prêchant l'ascension et le royaume des cieux. Bibliothèque de l'Institut historique belge de Rome. Brussel-Rome: Institut historique belge de Rome; 1996. p. 419. .