Columbia subject headings:
Paleoceanography--Arctic Ocean.
Paleoceanography--Mediterranean Sea.
Paleoceanography--North Atlantic Ocean.
Harvard subject headings:
Paleoceanography--Arctic Ocean.
Paleoceanography--Mediterranean Sea.
Paleoceanography--North Atlantic Ocean.
Princeton subject headings:
Paleoceanography--Arctic Ocean.
Paleoceanography--Mediterranean Sea.
Paleoceanography--North Atlantic Ocean.