“B.H. Slicher Van Bath, G.D. Van Der Heide, Geschiedenis Van Overijssel”. BMGN - Low Countries Historical Review 86, no. 2 (January 1, 1971): 291–292. Accessed July 16, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-101822.