Columbia subject headings:
Copper age--Russia (Federation)--Onega Lake Region.
Copper age.
Onega Lake Region (Russia)--Antiquities.
Harvard subject headings:
Antiquities, Prehistoric--Russia (Federation)--Onega Lake Region.
Copper age--Russia (Federation)--Onega Lake Region.
Excavations (Archaeology)--Russia (Federation)--Onega Lake Region.
Onega Lake Region (Russia)--Antiquities.
Princeton subject headings: