Gietman, Conrad. “Jaap Geraerts, Patrons of the Old Faith. The Catholic Nobility in Utrecht and Guelders, C. 1580-1702”. Early Modern Low Countries 3, no. 2 (December 23, 2019): 288–290. Accessed April 11, 2026. https://testplatform.openjournals.nl/emlc/article/view/7243.