FRANZ, Maciej. Politics and religion. Cossacks’ alliances in the time of Bohdan Khmelnytsky. Balcanica Posnaniensia. Acta et studia, [S. l.], v. 18, p. 125–138, 2011. DOI: 10.14746/bp.2011.18.12. Disponível em: https://pressto.amu.edu.pl/index.php/bp/article/view/54649. Acesso em: 3 oct. 2026.