Title: K istorii VChK--OGPU
Subjects: Russian S.F.S.R., Russian S.F.S.R. Chrezvychaĭnai︠a︡ komissii︠a︡ po borʹbe s kontr-revoli︠u︡t︠s︡ieĭ i sabotazhem, Soviet Union. Obʺedinennoe gosudarstvennoe politicheskoe upravlenie, Internal security, History, Soviet Union, Internal security, soviet union, Soviet union, history, revolution, 1917-1921, Russian S.F.S.R. Chrezvychaĭnai͡a komissii͡a po borʹbe s kontr-revoli͡ut͡sieĭ i sabotazhem
Places: Soviet Union
Time periods: Revolution, 1917-1921