Columbia subject headings:
Russian S.F.S.R. Chrezvychaĭnai︠a︡ komissii︠a︡ po borʹbe s kontr-revoli︠u︡t︠s︡ieĭ i sabotazhem.
Saint Petersburg (Russia)--History--Revolution, 1917-1921.
Secret service--Russia (Federation)--Saint Petersburg--History.
Soviet Union--History--Revolution, 1917-1921--Secret service.
Harvard subject headings:
Russian S.F.S.R. Chrezvychaĭnai︠a︡ komissii︠a︡ po borʹbe s kontr-revoli︠u︡t︠s︡ieĭ i sabotazhem
Saint Petersburg (Russia)--History--Revolution, 1917-1921.
Secret service--Russia (Federation)--Saint Petersburg--History.
Soviet Union--History--Revolution, 1917-1921--Secret service.
Princeton subject headings:
Police--Russia (Federation)--Saint Petersburg--History.
Russian S.F.S.R. Chrezvychaĭnai︠a︡ komissii︠a︡ po borʹbe s kontr-revoli︠u︡t︠s︡ieĭ i sabotazhem
Secret service--Russia (Federation)--Saint Petersburg--History.