Kamenskikh, A. A. ““POLISH REFUGEES” FROM THE WESTERN BELARUS IN THE 1937–38 NKVD ‘POLISH OPERATION’ IN PERM”. PERM UNIVERSITY HERALD. History 50, no. 3 (November 17, 2020): 76–88. Accessed May 19, 2024. https://press.psu.ru/index.php/history/article/view/3898.