Columbia subject headings:
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za.
Working class--Soviet Union.
Harvard subject headings:
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za.
Labor--Soviet Union
Working class--Soviet Union
Princeton subject headings: