Title: VChK-OGPU
Subjects: History, Politics and government, Soviet Union. Obʺedinennoe gosudarstvennoe politicheskoe upravlenie, Soviet Union, Russian S.F.S.R. Chrezvychaĭnai︠a︡ komissii︠a︡ po borʹbe s kontr-revoli︠u︡t︠s︡ieĭ i sabotazhem, Russian S.F.S.R., Internal security
Places: Soviet Union
Time periods: 1917-1936