@inbook {2026,
	title = {Stability and Change in Carthusian Liturgy and Music},
	booktitle = {Carthusian Monasticism. History, Life, World, Texts },
	series = {Monastic Life and Venerated Spaces},
	year = {2026},
	pages = {177-206},
	publisher = {De Gruyter},
	organization = {De Gruyter},
	chapter = {6},
	address = {Berlin},
	isbn = {9781501517846},
	author = {Op de Coul, Thomas},
	editor = {Molvarec, Stephen J. and Yocum, Demetrio S;}
}
@book {2025,
	title = {Koorboeken aan de Maas (1500-1540). Johannes van Deventer en een groep van koorboeken tussen Nijmegen en Luik},
	year = {2025},
	publisher = {Walburg Pers},
	organization = {Walburg Pers},
	address = {Zutphen},
	isbn = {9789048573370},
	author = {Oosterman, Johan B.}
}
@inbook {2015,
	title = {The life of a fifteeenth-century Carthusian gradual from Roermond},
	booktitle = {Tradition et transformation. Les chartreux dans l{\textquoteright}Europe m{\'e}di{\'e}vale et moderne. Colloque international {\`a} l{\textquoteright}occasion du 650e anniversaire de la fondation de la chartreuse de Li{\`e}ge (6-8 octobre 2010)},
	series = {Analecta Cartusiana},
	volume = {306},
	year = {2015},
	pages = {219-250},
	publisher = {CERCOR},
	organization = {CERCOR},
	address = {Saint-Etienne},
	isbn = {978-2-9546115-1-8},
	author = {Op de Coul, Thomas},
	editor = {Gaens, Tom and Timmermans, Francis}
}
