Columbia subject headings:
Congo (Democratic Republic)--Economic conditions--1960-
Congo (Democratic Republic)--Social conditions.
Harvard subject headings:
Congo (Democratic Republic)--Economic conditions--1960-
Congo (Democratic Republic)--Politics and government--1997-
Congo (Democratic Republic)--Social conditions
Economic development projects--Congo (Democratic Republic)
Princeton subject headings:
Congo (Democratic Republic)--Economic conditions--1960-
Congo (Democratic Republic)--Social conditions.