Columbia subject headings:
Europe--Economic integration.
Europe--Foreign economic relations--United States.
European Union countries--Economic policy.
United States--Foreign economic relations--Europe.
Harvard subject headings:
Europe--Economic integration.
Europe--Foreign economic relations--United States.
European Union countries--Economic policy.
United States--Foreign economic relations--Europe.
Princeton subject headings:
Europe--Economic integration.
Europe--Foreign economic relations--United States.
European Union countries--Economic policy.
United States--Foreign economic relations--Europe.