FEYS, Sieben. Renger de Bruin, Adel en Ridderschap in Utrecht. BMGN - Low Countries Historical Review, [S. l.], v. 139, 2024. DOI: 10.51769/bmgn-lchr.19842. Disponível em: https://bmgn-lchr.nl/article/view/19842.. Acesso em: 1 feb. 2026.