Columbia subject headings:
Europe--Economic integration.
Europe--Politics and government--1945-
European federation.
Federal government--Europe.
Regionalism--Europe.
Harvard subject headings:
Europe--Politics and government--1989-
Europe--Politics and government--1989---Congresses.
European federation--Congresses
European federation.
Federal government--Europe
Federal government--Europe--Congresses
Regionalism (International organization)
Regionalism (International organization)--Congresses.
Regionalism--Europe
Regionalism--Europe--Congresses
Princeton subject headings:
Europe--Politics and government--1989-
European federation.
Federal government--Europe.
Regionalism (International organization)
Regionalism--Europe.