Jarosław Czubaty : The Duchy of Warsaw, 1807-1815. Zeitschrift für Ostmitteleuropa-Forschung, [S. l.], v. 67, n. 3, p. 468–468, 2018. DOI: 10.25627/201867310463. Disponível em: https://openjournals.osmikon.de/zfo/article/view/10463. Acesso em: 16 sep. 2026.