Head: Nikolayev Ihor Yevhenovych. "Security service (the All-Russian Extraordinary Commission for Joint State Political Directorate) secret-operative activities fight against "anti-Soviet forces" of Southern Ukraine during the totalitarianism early period of (20's of the XX century)".. V.O.Sukhomlynskyi National University of Mykolaiv. № 0113U002418

Updated: 2026-11-13