LUYKX, P. Frans Verhagen, Toen de katholieken Nederland veroverden. Charles Ruijs de Beerenbrouck 1873-1936. BMGN - Low Countries Historical Review, [S. l.], v. 131, n. 3, 2016. DOI: 10.18352/bmgn-lchr.10241. Disponível em: https://bmgn-lchr.nl/article/view/6488. Acesso em: 24 oct. 2021.