Columbia subject headings:
Congo (Democratic Republic)--History--Civil War, 1960-1965--Diplomatic history.
Congo (Democratic Republic)--History--Civil War, 1960-1965--Participation, Nigerian.
Nigeria--Foreign relations--1960---Case studies.
United Nations--Congo (Democratic Republic)
United Nations--Nigeria.
Harvard subject headings:
Congo (Democratic Republic)--History--Civil War, 1960-1965--Diplomatic history.
Congo (Democratic Republic)--History--Civil War, 1960-1965--Participation, Nigerian
Nigeria--Foreign relations--1960---Case studies.
Nigeria--Foreign relations--1960-1975--Case studies.
United Nations--Congo (Democratic Republic)
United Nations--Nigeria.
Princeton subject headings:
Congo (Democratic Republic)--History--Civil War, 1960-1965--Diplomatic history.
Congo (Democratic Republic)--History--Civil War, 1960-1965--Participation, Nigerian.
Nigeria--Foreign relations--1960---Case studies.
United Nations--Congo (Democratic Republic).
United Nations--Nigeria.