Columbia subject headings:
Belgium--Foreign relations--France.
Congo (Democratic Republic)--History--1908-1960.
Congo (Democratic Republic)--History--1960-1997.
France--Foreign relations--Belgium.
Harvard subject headings:
Belgium--Foreign relations--France.
Congo (Democratic Republic)--History--1908-1960
Congo (Democratic Republic)--History--1960-1997
France--Foreign relations--Belgium.
Princeton subject headings: