Title: Rezhim ispravitelʹno-trudovykh lagereĭ (SSSR 1929-1941) kak format︠s︡ii︠a︡, zakrepli︠a︡i︠u︡shchai︠a︡ ogranichenii︠a︡ prav grazhdan
Subjects: Prisoners, Legal status, laws, History, Civil rights, Concentration camps, Correctional institutions, Penal colonies
Places: Soviet Union
Time periods: 1925-1953