Grabowski, Łukasz. (2023). Hipolit Władysław Sławiński – Soldier of the Polish Independent Special Battalion, an officer of the KGB Informator Board and deputy head of the Reconnaissanceof the Border Protection Army. Aparat Represji W Polsce Ludowej 1944-1989, (1(16), 471–483. Retrieved from https://czasopisma.ipn.gov.pl/index.php/arpl/article/view/1617