SZYBKOWSKI , S. With Teutonic Knights against the king of Poland in 1388. The agreement of Great Poland lords with the Teutonic Order concerning military aid against Władysław Jagiełło and its signatories. Roczniki Historyczne, [S. l.], v. 89, p. 21–49, 2024. DOI: 10.12775/RH.2023.02. Disponível em: https://apcz.umk.pl/RH/article/view/48262. Acesso em: 6 jul. 2024.