Title: Ispytanie dolgom
Subjects: Biography, History, Spies, Secret service, Russian S.F.S.R. Chrezvychaĭnai︠a︡ komissii︠a︡ po borʹbe s kontr-revoli︠u︡t︠s︡ieĭ i sabotazhem, Russian S.F.S.R.
Places: Soviet Union, Donet︠s︡ʹk (Ukraine)
Time periods: Revolution, 1917-1921