@inbook {2018,
	title = {Plus nog een fragment van De Natuurkunde van het Geheelal},
	booktitle = {Perkament in stukken. Teruggevonden middeleeuwse handschriftfragmenten},
	series = {Middeleeuwse Studies en Bronnen},
	volume = {171},
	year = {2018},
	pages = {178-179},
	publisher = {Verloren},
	organization = {Verloren},
	address = {Hilversum},
	isbn = {978-90-8704-742-9},
	author = {Vervaart, Otto},
	editor = {Jaski, Bart and Mostert, Marco and Vliet, Kaj van}
}
@inbook {2018,
	title = {Vroege juridische glossen. Commentaar naast en tussen de regels},
	booktitle = {Perkament in stukken. Teruggevonden middeleeuwse handschriftfragmenten},
	series = {Middeleeuwse Studies en Bronnen},
	volume = {171},
	year = {2018},
	pages = {134-139},
	publisher = {Verloren},
	organization = {Verloren},
	chapter = {18},
	address = {Hilversum},
	isbn = {978-90-8704-742-9},
	author = {Vervaart, Otto},
	editor = {Jaski, Bart and Mostert, Marco and Vliet, Kaj van}
}
@article {2011,
	title = {Middeleeuwse sporen van Utrechtse pelgrims naar Santiago},
	journal = {Oud-Utrecht},
	volume = {84},
	year = {2011},
	pages = {104-108},
	author = {Vervaart, Otto}
}
@inbook {2001,
	title = {Argumentation in Practice. Nicolaus Everardi (1462-1532) on Canon Law and Custom in the Low Countries},
	booktitle = {Proceedings of the Tenth International Congress of Medieval Canon Law: Syracuse, New York, 13 - 18 August 1996},
	series = {Monumenta iuris canonici. Series C. Subsidia },
	volume = {11},
	year = {2001},
	pages = {635-652},
	publisher = {Bibliotheca Apostolica Vaticana},
	organization = {Bibliotheca Apostolica Vaticana},
	address = {Citt{\`a} del Vaticano},
	author = {Vervaart, Otto},
	editor = {Pennington, Kenneth and Chodorow, Stanley and Kendall, Keith H.}
}
@article {1993,
	title = {In het woud van decretalen. Impressies van het Ninth International Congress of Medieval Canon Law, M{\"u}nchen, 13-18 juli 1992},
	journal = {Madoc},
	volume = {7},
	year = {1993},
	pages = {30-34},
	author = {Vervaart, Otto}
}
