PENTEK, Zdzisław. On the Empresses of the Latin Empire (1204–1261) (1). Maria the countess of Champagne . Balcanica Posnaniensia. Acta et studia, [S. l.], v. 27, p. 47–56, 2020. DOI: 10.14746/bp.2020.27.3. Disponível em: https://pressto.amu.edu.pl/index.php/bp/article/view/24295. Acesso em: 23 apr. 2024.