Title: Istorii︠a︡ stalinskogo Gulaga
Subjects: Prisons, Glavnoe upravlenie ispravitelʹno-trudovykh lagereĭ OGPU, Political persecution, Sources, GULag NKVD, History, Internment camps, Forced labor, Politics and government, Nazi concentration camps
Places: Soviet Union
People: Joseph Stalin (1879-1953)
Time periods: 1925-1953