“Willemijn Ruberg, Conventionele Correspondentie. Briefcultuur Van De Nederlandse Elite 1770-1850”. TSEG - The Low Countries Journal of Social and Economic History 3, no. 2 (June 15, 2006): 135–137. Accessed November 23, 2024. https://testplatform.openjournals.nl/tseg/article/view/7942.