The letter of N.Ya. Pozdnyakov, procurator of Altai krai to General Procurator of the USSR A. Ya. Vyshinskii on illegal arrest of 38 people in March 1938 in Kochkovskii district of Altai krai; May 7, 1938
The letter reports about the illegal arrest by PCIA of 38 people in Kochkovskii district of Altai krai.