Over ’86 en ’92 en daarna. Kuypers gereformeerde wereld herdacht. BMGN - Low Countries Historical Review, [S. l.], v. 110, n. 4, p. 515–547, 1995. DOI: 10.18352/bmgn-lchr.4118. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-104734.. Acesso em: 2 jul. 2024.