HAAN, I. de; VELDE, H. te. Vormen van politiek. Veranderingen van de openbaarheid in Nederland 1848-1900. BMGN - Low Countries Historical Review, [S. l.], v. 111, n. 2, p. 167–200, 1996. DOI: 10.18352/bmgn-lchr.4225. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-104857. Acesso em: 4 may. 2024.