Kossmann-Putto, J.A. “F. Keverling Buisman, Ordelen Van De Etstoel Van Drenthe 1450-1504 (1518)”. BMGN - Low Countries Historical Review 110, no. 3 (January 1, 1995): 408–409. Accessed May 2, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-104682.