GAWLIKOWSKI, Alojzy. Poland in defense of the Piarist Order and its Founder (1642-1648). Our Past, [S. l.], v. 15, p. 39–56, 1962. DOI: 10.52204/np.1962.15.39-56. Disponível em: https://ojs.academicon.pl/np/article/view/7849. Acesso em: 14 nov. 2026.