Title: Za kulisami Cheka
Subjects: Secret service, Red Cross and Red Crescent, Russians, Russian S.F.S.R. Chrezvychaĭnai︠a︡ komissii︠a︡ po borʹbe s kontr-revoli︠u︡t︠s︡ieĭ i sabotazhem
Places: Russia, Soviet Union, Bulgaria