Columbia subject headings:
Congo (Brazzaville)--History.
Congo (Brazzaville)--Politics and government.
Harvard subject headings:
Congo (Brazzaville)--Politics and government--1960-1997.
Congo (Brazzaville)--Politics and government--1997-
Princeton subject headings:
Congo (Brazzaville)--Politics and government--1960-1997.
Congo (Brazzaville)--Politics and government--1997-