Ihnatowicz, Mateusz. “Selected Characteristics of Jesuits from Greater Poland-Masovia Province from the Denunciations of the Informants of the Security Apparatus (1949-1978)”. Gdańsk Studies 51 (December 30, 2022): 112–122. Accessed November 12, 2026. https://czasopisma.uksw.edu.pl/sg/article/view/9583.