Columbia subject headings:
Harvard subject headings:
Elite (Social sciences)--Political activity--Portugal--History--20th century.
Political culture--Portugal--History--20th century.
Portugal--Economic conditions--20th century.
Portugal--Politics and government--20th century.
Princeton subject headings:
Elite (Social sciences)--Portugal--History--20th century.
Political culture--Portugal--History--20th century.
Portugal--Economic conditions--20th century.
Portugal--Politics and government--20th century.