W. Ruberg, Conventionele correspondentie. Briefcultuur van de Nederlandse elite, 1770-1850. BMGN - Low Countries Historical Review, [S. l.], v. 121, n. 3, p. 523–525, 2006. DOI: 10.18352/bmgn-lchr.6486. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-107431.. Acesso em: 18 jul. 2024.