Title: Dokumenty organov gosudarstvennoi bezopasnosti USSR 1920-1930-kh godov
Subjects: Secret service, Records and correspondence, History, Politics and government, Sources, Communism, Authoritarianism, Vseukraïnsʹka nadzvychaĭna komisii͡a po borotʹbi z kontrrevoli͡ut͡sii͡ei͡u, spekuli͡at͡sii͡ei͡u ta sluz͡hbovymy zlochynamy, Soviet Union. Obʺedinennoe gosudarstvennoe politicheskoe upravlenie, Soviet Union, Russian S.F.S.R. Narodnyĭ komissariat vnutrennikh del, Russian S.F.S.R., History (general) and history of Europe, Historiography, History (General), Ukraine
Places: Ukraine
Time periods: 1917-1945, 1921-1944