Bibliografie
Het turbulente verleden van de Luikse prinsbischoppen door de ogen van een inwoner van het oude graafschap Loon: de Chronijk van Luyk, toegeschreven aan Petrus Treckpoel (1442-circa 1507-8). Handelingen van de Koninklijke Commissie voor Geschiedenis. 2008;174:5-88.
A Time of Great Confusion. Second-Generation Cluniac Reformers and Resistance to Monastic Centralization in the County of Flanders (c. 1125-1145). Revue d’Histoire Ecclésiastique. 2007;102:47-75.
Conversion: A Never-Ending Process II - Hermits & Canons. In: Deploige J, De Reu M, Simons W, Vanderputten S, editors. Religion, Culture, and Mentalities in the Medieval Low Countries. Selected Essays. Turnhout: Brepols; 2005. p. 153-68.
The Church in the Low Countries between Gregorian Reform and Avignon. In: Deploige J, De Reu M, Simons W, Vanderputten S, editors. Religion, Culture, and Mentalities in the Medieval Low Countries. Selected Essays. Turnhout: Brepols; 2005. p. 81-152.
The Byzantine Cross of Eine. In: Deploige J, De Reu M, Simons W, Vanderputten S, editors. Religion, Culture, and Mentalities in the Medieval Low Countries. Selected Essays. Turnhout: Brepols; 2005. p. 291-326.
The Conversion of the Low Countries and Church Institutions until c. 1070 . In: Deploige J, De Reu M, Simons W, Vanderputten S, editors. Religion, Culture, and Mentalities in the Medieval Low Countries. Selected Essays. Turnhout: Brepols; 2005. p. 53-80.
Dispute and Settlement in Medieval Cenobitical Rules. In: Deploige J, De Reu M, Simons W, Vanderputten S, editors. Religion, Culture, and Mentalities in the Medieval Low Countries. Selected Essays. Turnhout: Brepols; 2005. p. 271-90.
Hermits and Regular Canons in the Twelfth Century. In: Deploige J, De Reu M, Simons W, Vanderputten S, editors. Religion, Culture, and Mentalities in the Medieval Low Countries. Selected Essays. Turnhout: Brepols; 2005. p. 181-248.
From Sermon to Science: Monastic Prologues from the Southern Low Countries as Witnesses of Historical Consciousness (10th-15th Centuries). In: Verbeke W, Milis LJR, Goossens J, editors. Medieval Narrative Sources. A Gateway into the Medieval Mind. Vol 34. Leuven: Leuven University Press; 2005. p. 37-54. (Mediaevalia Lovaniensia. Series I. Studia; vol 34).