SARNOWSKY, J. Hans Hettler, Preußen als Kreuzzugsregion. Untersuchungen zu Peter von Dusburgs Chronica terrae Prussiae in Zeit und Umfeld. Ordines Militares Colloquia Torunensia Historica. Yearbook for the Study of the Military Orders, [S. l.], v. 22, p. 316–318, 2017. DOI: 10.12775/OM.2017.011. Disponível em: https://apcz.umk.pl/OM/article/view/OM.2017.011. Acesso em: 23 jul. 2024.