Columbia subject headings:
Europe--Relations--Spain.
Spain--History--1939-1975.
Spain--History--1975-
Spain--Relations--Europe.
Harvard subject headings:
Europe--Relations--Spain.
European Union countries--Relations--Spain.
Spain--Politics and government--1939-1975.
Spain--Politics and government--1975-1982.
Spain--Relations--Europe.
Spain--Relations--European Union countries.
Princeton subject headings: