Koller, Stanisław. “Archival Instructions from the Ministry of Security Archives of the Polish People’s Republic (1956–1990): Overview of the Issues”. Zhana Arkhiv 2, no. 1 (March 31, 2023): 48–63. Accessed October 7, 2026. https://zhana-arkhiv.targetkz.space/zhana-arkhiv/article/view/19.