Columbia subject headings:
Harvard subject headings:
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za.
Working class--Soviet Union--Don River Region (R.S.F.S.R.)
Princeton subject headings:
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za.
Labor movement--Russia (Federation)--Rostov-na-Donu.