Title: Iz istorii borʹby KPSS za povyshenie kulʹturno-tekhnicheskogo urovni︠a︡ trudi︠a︡shchikhsi︠a︡ Dona, 1921-1970 gg
Subjects: Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za, Working class