Che-Ka materialy po dei︠a︡tel'nosti chrezvychainykh komissii

[1986]
Reprint of 1922 ed
Russian S.F.S.R. Chrezvychaĭnai︠a︡ komissii︠a︡ po borʹbe s kontr-revoli︠u︡t︠s︡ieĭ i sabotazhem.