J.J. Huizinga, J. Heemskerk Azn. (1818-1897). Conservatief zonder Partij. BMGN - Low Countries Historical Review, [S. l.], v. 90, n. 2, p. 297–299, 1975. DOI: 10.18352/bmgn-lchr.1881. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102043.. Acesso em: 2 jul. 2024.