Columbia subject headings:
Harvard subject headings:
Conservatism--Portugal--History--20th century.
Political parties--Portugal--History--20th century.
Portugal--Politics and government--1974-
Right and left (Political science)--Portugal.
Princeton subject headings:
Conservatism--Portugal--History--20th century.
Political parties--Portugal--History--20th century.
Portugal--Politics and government--1974-
Right and left (Political science)--Portugal.