Columbia subject headings:
Harvard subject headings:
Africa, Portuguese-speaking--Economic conditions--20th century.
Africa, Portuguese-speaking--Politics and government--20th century.
Africa, Portuguese-speaking--Social conditions--20th century.
Decolonization--Africa, Portuguese-speaking.
Portugal--Colonies--Africa--History--20th century.
Princeton subject headings:
Angola--History--Revolution, 1961-1975.
Angola--Politics and government--1975-
Decolonization--Angola.