Columbia subject headings:
Harvard subject headings:
European Union countries--Relations--Portugal.
European federation
Portugal--Politics and government--1974-
Portugal--Relations--European Union countries.
Portugal. Assembleia da República--History.
Princeton subject headings:
European Union countries--Relations--Portugal.
European federation.
Portugal--Politics and government--1974-
Portugal--Relations--European Union countries.
Portugal. Assembleia da República--History.