VERCAMER, Grischa. The Mongol Invasion in the Year 1241—Reactions among European Rulers and Consequences for East Central European Principalities. Zeitschrift für Ostmitteleuropa-Forschung, [S. l.], v. 70, n. 2, p. 227–262, 2021. DOI: 10.25627/202170210926. Disponível em: https://openjournals.osmikon.de/zfo/article/view/10926. Acesso em: 16 sep. 2026.