KOSSMANN-PUTTO, J. J.C. Sytsema, De 17 keuren en de 24 landrechten in de Ommelander rechtshandschriften. BMGN - Low Countries Historical Review, [S. l.], v. 115, n. 2, p. 282–283, 2000. DOI: 10.18352/bmgn-lchr.5234. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-106010. Acesso em: 25 apr. 2024.