Mout, M.E.H.N. “W. Otterspeer, Orde En Trouw. Over Johan Huizinga”. BMGN - Low Countries Historical Review 122, no. 4 (January 1, 2007). Accessed April 25, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-107717.