Columbia subject headings:
African Union.
Congo (Brazzaville)--Foreign relations.
Congo (Brazzaville)--Politics and government--1997-
Presidents--Congo (Brazzaville)--Biography.
Sassou Nguesso, Denis, 1943-
Harvard subject headings:
African Union.
Congo (Brazzaville)--Foreign relations.
Congo (Brazzaville)--Politics and government--1997-
Presidents--Congo (Brazzaville)--Biography.
Sassou Nguesso, Denis, 1943-
Princeton subject headings: