Engelen, Th.L.M. “E. Vanhaute, Heiboeren. Bevolking, Arbeid En Inkomen in De 19de-Eeuwse Kempen”. BMGN - Low Countries Historical Review 109, no. 4 (January 1, 1994): 674–675. Accessed April 26, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-104522.