Columbia subject headings:
Europe, Central--Foreign economic relations--Congresses.
Europe, Eastern--Foreign economic relations--Congresses.
European Economic Community countries--Foreign economic relations--Congresses.
Harvard subject headings:
Europe, Central--Politics and government--1989---Congresses.
Europe, Central--Politics and government--Congresses.
Europe, Eastern--Politics and government--1989---Congresses.
Europe--Politics and government--1989---Congresses.
European Economic Community--Congresses.
National security--Europe--Congresses
Princeton subject headings: