Kwiatkowski, Stefan. “Verlorene Schlachten Und Gefallene in Der Geistigen Tradition Des Deutschen Ordens”. Ordines Militares Colloquia Torunensia Historica. Yearbook for the Study of the Military Orders 16 (July 1, 2011): 141–157. Accessed April 19, 2024. https://apcz.umk.pl/OM/article/view/OM.2011.009.