MILITZER, Klaus. Die Übersiedlung Siegfrieds von Feuchtwangen in die Marienburg. Ordines Militares Colloquia Torunensia Historica. Yearbook for the Study of the Military Orders, [S. l.], v. 16, p. 47–61, 2011. DOI: 10.12775/OM.2011.004. Disponível em: https://apcz.umk.pl/OM/article/view/OM.2011.004. Acesso em: 3 may. 2026.