Columbia subject headings:
Caetano, Marcello, 1906-1980.
Portugal--History.
Portugal--Politics and government--20th century.
Harvard subject headings:
Caetano, Marcello, 1906-1980--Exile, 1974-1980--Brazil.
Caetano, Marcello, 1906-1980.
Portugal--History.
Portugal--Politics and government--20th century.
Princeton subject headings:
Caetano, Marcello, 1906-1980.
Portugal--History.
Portugal--Politics and government--20th century.