Columbia subject headings:
Harvard subject headings:
Portugal--History--1910-1974
Presidents--Portugal--Biography.
Prime ministers--Portugal--Biography
Salazar, António de Oliveira, 1889-1970
Princeton subject headings:
Heads of state--Portugal--Biography.
Portugal--Politics and government--1910-1974.
Prime ministers--Portugal--Biography.
Salazar, António de Oliveira, 1889-1970.