Columbia subject headings:
Harvard subject headings:
Industries--Russia (Federation)--Kuĭbyshevskai︠a︡ oblastʹ--History--Sources.
Kuĭbyshevskai︠a︡ oblastʹ (Russia)--Economic conditions--Sources.
Princeton subject headings:
Industries--Russia (Federation)--Kuĭbyshevskai︠a︡ oblastʹ--History--20th century--Sources.
Samarskai︠a︡ oblastʹ (Russia)--Economic conditions--Sources.
Vsesoi︠u︡znai︠a︡ kommunisticheskai︠a︡ partii︠a︡ (bolʹshevikov)--Party work--History--Sources.
Working class--Russia (Federation)--Samarskai︠a︡ oblastʹ--History--20th century--Sources.