Columbia subject headings:
Angola--Economic conditions--1975-
Angola--Politics and government--1975-
Angola--Relations--Portugal.
Portugal--Relations--Angola.
Harvard subject headings:
Angola--Economic conditions--1975-
Angola--Politics and government--1975-
Angola--Relations--Portugal.
Portugal--Relations--Angola.
Princeton subject headings:
Angola--Economic conditions--1975-
Angola--Politics and government--1975-
Angola--Relations--Portugal.
Portugal--Relations--Angola.