Beekelaar, G.A.M. “H. Van Fekius, H.J. Metselaars, Noordhollandse Statenleden 1840-1919”. BMGN - Low Countries Historical Review 110, no. 4 (January 1, 1995): 602–603. Accessed November 21, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-104775.