MOL, Johannes A. The knight brothers from the Low Countries in the conflict between the Westphalians and the Rhinelanders in the Livonian branch of the Teutonic Order. Ordines Militares Colloquia Torunensia Historica. Yearbook for the Study of the Military Orders. Online. 10 May 2016. Vol. 20, pp. 123-144. [Accessed 21 April 2025]. DOI 10.12775/OM.2015.006.