Gent, M.J. van. “R.E.V. Stuip, C. Vellekoop, Scholing in De Middeleeuwen”. BMGN - Low Countries Historical Review 111, no. 4 (January 1, 1996): 535–536. Accessed November 21, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-105027.