Columbia subject headings:
Prehistoric peoples--Russia (Federation)--Leningradskai︠a︡ oblastʹ.
Stone age--Russia (Federation)--Leningradskai︠a︡ oblastʹ.
Harvard subject headings:
Prehistoric peoples--Russia (Federation)--Leningradskai͡a oblastʹ.
Stone age--Russia (Federation)--Leningradskai͡a oblastʹ.
Princeton subject headings:
Prehistoric peoples--Russia, Northern.
Stone age--Russia.