Columbia subject headings:
Harvard subject headings:
Europe--Foreign relations--1989---Congresses.
European Union countries--Foreign relations--United States--Congresses.
European Union--United States--Congresses.
United States--Foreign relations--1989---Congresses.
United States--Foreign relations--European Union countries--Congresses.
World politics--1989---Congresses
Princeton subject headings:
European Union countries--Foreign economic relations--United States.
European Union countries--Foreign relations--United States.
United States--Foreign economic relations--European Union countries.
United States--Foreign relations--European Union countries.