Columbia subject headings:
Democracy--Europe--20th century.
Europe--Politics and government--20th century.
European Movement. Congress (4th : 1962 : Munich, Germany)
Spain--Politics and government--1939-1975.
Harvard subject headings:
Princeton subject headings:
Congress for the European Political Community (4th : 1962 : Munich, Germany)
Democracy--Europe--20th century.
Europe--Politics and government--20th century.
Spain--Politics and government--1939-1975.