Columbia subject headings:
Harvard subject headings:
Chukchi Peninsula (Russia)--History--20th century--Sources.
Chukchi--Social life and customs--Sources.
Ethnology--Russia (Federation)--Chukchi Peninsula--Sources.
Princeton subject headings:
Chukchi Peninsula (Russia)--History--20th century--Sources.
Chukchi--Social life and customs--Sources.
Ethnology--Russia (Federation)--Chukchi Peninsula--Sources.