Columbia subject headings:
Africa, Southern--Foreign relations--Portugal.
Caetano, Marcello, 1906-1980.
Decolonization--Africa, Southern--History--20th century.
Portugal--Foreign relations--Africa, Southern.
Portugal--Politics and government--1933-1974.
Salazar, António de Oliveira, 1889-1970.
Harvard subject headings:
Princeton subject headings:
Africa, Southern--Foreign relations--Portugal.
Caetano, Marcello, 1906-1980.
Decolonization--Africa, Southern--History--20th century.
Portugal--Foreign relations--Africa, Southern.
Portugal--Politics and government--1933-1974.
Salazar, António de Oliveira, 1889-1970.