Havryshchuk, Vitalii. “Activity of the Board of Special Public Investigators at the Provincial Revolutionary Tribunal in Podillia”. Scientific Papers of the Vinnytsia Mykhailo Kotsyiubynskyi State Pedagogical University Series History, no. 32, June 2020, pp. 32-41, https://doi.org/10.31652/2411-2143-2020-32-32-41.