Columbia subject headings:
Russian S.F.S.R. Chrezvychaĭnai︠a︡ komissii︠a︡ po borʹbe s kontr-revoli︠u︡t︠s︡ieĭ i sabotazhem--Bibliography.
Soviet Union. Obʺedinennoe gosudarstvennoe politicheskoe upravlenie--Bibliography.
Harvard subject headings:
Russian S.F.S.R. Chrezvychaĭnai︠a︡ komissii︠a︡ po borʹbe s kontr-revoli︠u︡t︠s︡ieĭ i sabotazhem--Bibliography.
Soviet Union. Obʺedinennoe gosudarstvennoe politicheskoe upravlenie--Bibliography.
Princeton subject headings:
Russia (1917- R. S. F. S. R.) Chrezvychaĭnai︠a︡ komissi︠a︡ po borʹbe s kontr-revoli︠u︡t︠s︡ieĭ i sabotazhem--Bibliography.
Soviet Union. Obʺedinennoe gosudarstvennoe politicheskoe upravlenie--Bibliography.