Columbia subject headings:
Harvard subject headings:
Caetano, Marcello, 1906-1980
Heads of state--Portugal--Biography.
Portugal--Politics and government--1933-1974
Prime ministers--Portugal--Biography
Salazar, António de Oliveira, 1889-1970
Princeton subject headings:
Caetano, Marcello, 1906-1980.
Portugal--Politics and government--1933-1974.
Salazar, António de Oliveira, 1889-1970.