Title: Rabochiĭ klass BSSR v gody Velikoĭ Okti︠a︡brʹskoĭ sot︠s︡ialisticheskoĭ revoli︠u︡t︠s︡ii i postroenii︠a︡ sot︠s︡ializma, 1917-1937
Subjects: Working class, History