PRZEWŁOKA, Agnieszka. Security Services Thwarts Attempts to Establish Catholic Intelligentsia Club in Katowice from 1956 to 1957. Silesian Historical and Theological Studies, [S. l.], v. 43, n. 1, p. 124–136, 2010. Disponível em: https://journals.us.edu.pl/index.php/ssht/article/view/16684. Acesso em: 11 nov. 2026.