Cappon, C.M. “G. Verhoeven, J.A. Mol, H. Bremer, Friese Testamenten Tot 1550”. BMGN - Low Countries Historical Review 111, no. 2 (January 1, 1996): 229–230. Accessed November 23, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-104868.