Columbia subject headings:
Europe--Foreign economic relations--Portugal.
Portugal--Economic conditions--1974-
Portugal--Foreign economic relations--Europe.
Portugal--Politics and government--1974-
Harvard subject headings:
Europe--Foreign economic relations--Portugal.
Portugal--Economic conditions--1974-
Portugal--Foreign economic relations--Europe.
Portugal--Politics and government--1974-
Princeton subject headings:
Europe--Foreign economic relations--Portugal.
Portugal--Economic conditions--1974-
Portugal--Foreign economic relations--Europe.
Portugal--Politics and government--1974-