Columbia subject headings:
Kara Sea (Russia)--Encyclopedias.
Harvard subject headings:
Kara Sea (Russia)--Encyclopedias.
Princeton subject headings:
Encyclopedias.
Geology--Russia (Federation)--Kara Sea--Encyclopedias.
Kara Sea (Russia)
Marine biology--Russia (Federation)--Kara Sea--Encyclopedias.
Oceanography--Russia (Federation)--Kara Sea--Encyclopedias.