BMGN-LCHR, De redactie. “Signaleringen ‒ Signposts”. BMGN - Low Countries Historical Review 129, no. 4 (November 19, 2014): signposts 3. Accessed May 4, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-110178.