Columbia subject headings:
Agriculture--Economic aspects--Russia (Federation)--Volga River Valley.
Kommunisticheskai͡a partii͡a Sovetskogo Soi͡uza--Party work.
Harvard subject headings:
Agriculture--Economic aspects--Russia (Federation)--Volga River Valley.
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za--Party work.
Princeton subject headings:
Agriculture--Economic aspects--Russia (Federation)--Volga River Valley.
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za--Party work.