MOL, J. K. Elm, Mittelalterliches Ordensleben in Westfalen und am Niederrhein. BMGN - Low Countries Historical Review, [S. l.], v. 107, n. 1, p. 96–98, 1992. DOI: 10.18352/bmgn-lchr.3459. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-103940. Acesso em: 7 may. 2024.