Columbia subject headings:
Africa, North--Foreign economic relations--Europe.
Arab countries--Foreign economic relations--Europe.
Europe--Foreign economic relations--Africa, North.
Europe--Foreign economic relations--Arab countries.
Europe--Foreign economic relations--Middle East.
Middle East--Foreign economic relations--Europe.
Harvard subject headings:
Africa, North--Foreign economic relations--Europe.
Arab countries--Foreign economic relations--Europe.
Europe--Foreign economic relations--Africa, North.
Europe--Foreign economic relations--Arab countries.
Europe--Foreign economic relations--Middle East.
Middle East--Foreign economic relations--Europe.
Princeton subject headings:
Africa, North--Foreign economic relations--Europe.
Arab countries--Foreign economic relations--Europe.
Europe--Foreign economic relations--Africa, North.
Europe--Foreign economic relations--Arab countries.
Europe--Foreign economic relations--Middle East.
Middle East--Foreign economic relations--Europe.