Columbia subject headings:
Africa, Central--Foreign relations--Belgium.
Africa, Central--Politics and government--1960-
Belgium--Foreign relations--Africa, Central.
Belgium--Politics and government--1951-1993.
Harvard subject headings:
Africa, Central--Foreign relations--Belgium.
Africa, Central--Politics and government--1960-
Belgium--Foreign relations--Africa, Central.
Belgium--Politics and government--1951-
Belgium--Politics and government--1951-1993.
Princeton subject headings:
Africa, Central--Foreign relations--Belgium.
Africa, Central--Politics and government--1960-
Belgium--Foreign relations--Africa, Central.
Belgium--Politics and government--1951-1993.