Jonge, A.A. de. “N.K.C.A. In ’t Veld, De SS in Nederland. Documenten Uit SS-Archieven 1935-1945”. BMGN - Low Countries Historical Review 92, no. 3 (January 1, 1977): 492–495. Accessed April 19, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102185.