Columbia subject headings:
Harvard subject headings:
Chukotskiĭ avtonomnyĭ okrug (Russia)--Economic conditions.
Chukotskiĭ avtonomnyĭ okrug (Russia)--Native races.
Chukotskiĭ avtonomnyĭ okrug (Russia)--Social conditions.
Princeton subject headings:
Chukotskiĭ avtonomnyĭ okrug (Russia)--Economic conditions.
Chukotskiĭ avtonomnyĭ okrug (Russia)--Native races.
Chukotskiĭ avtonomnyĭ okrug (Russia)--Social conditions.