Columbia subject headings:
Caetano, Marcello, 1906-1980.
Portugal--Politics and government--1933-1974.
Prime ministers--Portugal--Biography.
Harvard subject headings:
Caetano, Marcello, 1906-1980.
Portugal--Politics and government--1933-1974.
Prime ministers--Portugal--Biography.
Princeton subject headings:
Caetano, Marcello, 1906-1980.
Portugal--Politics and government--1933-1974.
Prime ministers--Portugal--Biography.