JÓŹWIAK, Sławomir. Sylvain Gouguenheim, Tannenberg 15 juillet 1410. Ordines Militares Colloquia Torunensia Historica. Yearbook for the Study of the Military Orders, [S. l.], v. 18, p. 307–309, 2013. DOI: 10.12775/NO_DOI_007. Disponível em: https://apcz.umk.pl/OM/article/view/NO_DOI_007. Acesso em: 8 jul. 2025.