Bibliografie
. The Secret of Silence. Spiritual Concentration as Theological Concern. In: . The Carthusians in the Low Countries. Studies in Monastic History and Heritage. Leuven: Peeters; 2014. pp. 57-69.
. “We Were Perplexed by What he Wrote”. The Carthusians and a Crucial Moment in the Development of Mystical Literature in the Low Countries. In: . The Carthusians in the Low Countries. Studies in Monastic History and Heritage. Leuven: Peeters; 2014. pp. 217-232.
. The Secret of Silence. Spiritual Concentration as Theological Concern. In: . The Carthusians in the Low Countries. Studies in Monastic History and Heritage. Leuven: Peeters; 2014. pp. 57-69.
. Spiritu Iesu operante. Written Sources for the Work of James of Gruitrode. In: . The Carthusians in the Low Countries. Studies in Monastic History and Heritage. Leuven: Peeters; 2014. pp. 129-172.
. The Carthusians in the Low Countries. Introduction. In: . The Carthusians in the Low Countries. Studies in Monastic History and Heritage. Leuven: Peeters; 2014. pp. 11-29.
. Iuxta modum cartusiensium. Kartäusische Einflüsse in der spätmittelalterlichen Klosterlandschaft der Niederlande. In: . The Carthusians in the Low Countries. Studies in Monastic History and Heritage. Leuven: Peeters; 2014. pp. 105-127.
. Cor, cella, claustrum, ecclesia. Denys the Carthusian (1402/1403-1471) on Discretio and inner reform. In: . A fish out of water? From contemplative solitude to Carthusian involvement in pastoral care and reform activity. Leuven: Peeters; 2013. pp. 199-209.
. De geschiedenis van de kartuis van Onze Lieve Vrouw van Bethlehem te Roermond. In: . Het Geheim van de Stilte. De Besloten Wereld van de Roermondse Kartuizers. Zwolle-Roermond: Waanders-Stichting De Roermondse Kartuizers; 2009. pp. 62-77 en 254-258.
. Het geheim van de stilte. Kartuizer theologie. In: . Het Geheim van de Stilte. De Besloten Wereld van de Roermondse Kartuizers. Zwolle-Roermond: Waanders-Stichting De Roermondse Kartuizers; 2009. pp. 22-29 en 246-249.
. De kartuis van Roermond in de Chartae van het generaal kapittel van de kartuizers. In: . Het Geheim van de Stilte. De Besloten Wereld van de Roermondse Kartuizers. Zwolle-Roermond: Waanders-Stichting De Roermondse Kartuizers; 2009. pp. 78-89 en 258-275.