Columbia subject headings:
Harvard subject headings:
Russia (Federation)--Antiquities.
Siberia (Russia)
Stone age--Russia (Federation)--Siberia.
Tombs--Russia (Federation)--Siberia.
Princeton subject headings:
Russia (Federation)--Antiquities.
Siberia (Russia)
Stone age--Russia (Federation)--Siberia.
Tombs--Russia (Federation)--Siberia.