Columbia subject headings:
Harvard subject headings:
Chukchi Peninsula (Russia)--Antiquities.
Petroglyphs--Russia (Federation)--Chukchi Peninsula.
Petroglyphs--Russia (Federation)--Chukotskiĭ nat͡sionalʹnyĭ okrug.
Princeton subject headings:
Petroglyphs--Russia (Federation)--Chukotskiĭ nat︠s︡ionalʹnyĭ okrug.