SUMOWSKA, Alicja. Alicja Dobrosielska. Opór, oportunizm, współpraca: Prusowie wobec zakonu krzyżackiego w dobie podboju [Resistance, Opportunism, Cooperations: Old Prussian attitudes towards the Teutonic Order during the Age of Conquest]. Ordines Militares Colloquia Torunensia Historica. Yearbook for the Study of the Military Orders, [S. l.], v. 23, p. 372–375, 2018. DOI: 10.12775/OM.2018.016. Disponível em: https://apcz.umk.pl/OM/article/view/OM.2018.016. Acesso em: 8 jul. 2025.