Columbia subject headings:
Norway--Foreign economic relations--United States.
Svalbard (Norway)--International status.
United States--Foreign economic relations--Norway.
Harvard subject headings:
Norway--Foreign economic relations--United States.
Svalbard (Norway)--International status.
United States--Foreign economic relations--Norway.
Princeton subject headings:
Norway--Foreign economic relations--United States.
Svalbard (Norway)--International status.
United States--Foreign economic relations--Norway.