Columbia subject headings:
Harvard subject headings:
Colonies--Psychological aspects.
Congo (Democratic Republic)--Politics and government--1960-1997
Social classes--Congo (Democratic Republic)
Social interaction--Congo (Democratic Republic)
Princeton subject headings:
Congo (Democratic Republic)--Colonial influence.
Congo (Democratic Republic)--Economic conditions--1960-
Congo (Democratic Republic)--Foreign economic relations.
Congo (Democratic Republic)--Politics and government--1908-1960.
Congo (Democratic Republic)--Social conditions.