Columbia subject headings:
Kommunisticheskai͡a partii͡a Sovetskogo Soi͡uza--Party work.
Russia (Federation)--Economic conditions.
Soviet Union--Economic policy.
Working class--Political activity--Russia (Federation)
Working class--Russia (Federation)--History.
Harvard subject headings:
Industries--Russia (Federation)--Non-Chernozem Region.
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za--History.
Non-Chernozem Region (Russia)--Economic conditions.
Working class--Russia (Federation)--Non-Chernozem Region.
Princeton subject headings: