Prins, W.F. “A.M. Elias, Het Nationaal Syndicaat 1802-1805”. BMGN - Low Countries Historical Review 91, no. 3 (January 1, 1976): 504–507. Accessed January 27, 2022. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102123.