“W. Fritschy, R.H. Van Der Voort, Broncommentaren, I; J.K.S. Moes, Broncommentaren I; L.M. Koenraad, Broncommentaren I”. BMGN - Low Countries Historical Review 112, no. 3 (January 1, 1997): 435–437. Accessed July 17, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-105235.