M. van der Eycken, U. Arnold, J. Mertens, Leden van de Duitse orde in de Balije Biesen. BMGN - Low Countries Historical Review, [S. l.], v. 111, n. 3, p. 376–378, 1996. DOI: 10.18352/bmgn-lchr.4290. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-104929.. Acesso em: 2 jul. 2024.