Columbia subject headings:
Chukchi Peninsula (Russia)--Antiquities.
Chukotskiĭ avtonomnyĭ okrug (Russia)--History.
Harvard subject headings:
Chukotki Peninsula (R.S.F.S.R.)--Antiquities.
Chukotskiy nat︠s︡ionalʹnyĭ okrug, Russia--History.
Princeton subject headings: