Columbia subject headings:
Harvard subject headings:
Bronze age--Russia (Federation)--Ural Mountains Region
Bronze age--Russia (Federation)--Volga River Valley.
Neolithic period--Russia (Federation)--Ural Mountains Region.
Neolithic period--Russia (Federation)--Volga River Valley.
Russia (Federation)--Antiquities.
Princeton subject headings:
Bronze age--Russia (Federation)--Ural Mountains Region.
Bronze age--Russia (Federation)--Volga River Valley.
Neolithic period--Russia (Federation)--Ural Mountains Region.
Neolithic period--Russia (Federation)--Volga River Valley.
Russia (Federation)--Antiquities.