KOEK, Els. Sophie Elpers, Hollandser dan kaas. De geschiedenis van Frau Antje. TSEG - The Low Countries Journal of Social and Economic History, [S. l.], v. 6, n. 4, p. 174–175, 2009. DOI: 10.18352/tseg.478. Disponível em: https://tseg.nl/article/view/7748.. Acesso em: 24 nov. 2024.