Levyk, Bogdan, and Mariusz Skorniewski. “‘The Case of Fourteen’ and the Polish Anti-Soviet Underground in Lviv During 1939-1941”. Skhid, no. 6(164) (December 17, 2019): 16–22. Accessed December 1, 2024. https://skhid.kubg.edu.ua/article/view/185935.