Columbia subject headings:
Angola--Foreign relations--Portugal.
Portugal--Colonies--Africa--History--Autonomy and independence movements.
Portugal--Foreign relations--Angola.
Portugal--History--1974-
Harvard subject headings:
Angola--Foreign relations--Portugal.
Angola--History--Revolution, 1961-1975.
Decolonization--Angola.
Portugal--Foreign relations--Angola.
Portugal--History--1910-1974.
Princeton subject headings: