Columbia subject headings:
Arab countries--Economic conditions.
Arab countries--Foreign economic relations--United States.
United States--Foreign economic relations--Arab countries.
Harvard subject headings:
Arab countries--Economic conditions.
Arab countries--Foreign economic relations--United States.
United States--Foreign economic relations--Arab countries.
Princeton subject headings:
Arab countries--Economic conditions.
Arab countries--Foreign economic relations--United States.
United States--Foreign economic relations--Arab countries.