Главное управление государственной безопасности
http://lod.ehri-project-test.eu/vocabularies/ehri-cb/001387 an entity of type: CorporateBody
Главное управление государственной безопасности
The Main Directorate of State Security was the name of the Soviet intelligence service, secret police from July 1934 to April 1943. It was run under the auspices of the Peoples Commissariat of Internal Affairs (NKVD).
[Kern, Gary, A Death in Washington: Walter G. Krivitsky and the Stalin Terror, New York, 2004.]