J. Perry, P.J. Knegtmans, D.F.J. Bosscher, M. Brinkman, Honderd jaar sociaal-democratie in Nederland, 1894-1994, M. Brinkman, e. a., ed. BMGN - Low Countries Historical Review, [S. l.], v. 110, n. 4, p. 615–616, 1995. DOI: 10.18352/bmgn-lchr.4162. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-104783.. Acesso em: 22 nov. 2024.