Columbia subject headings:
Africa, West--Economic integration--Congresses.
Africa, West--Foreign relations--Benin--Congresses.
Africa, West--Politics and government--Congresses.
Benin--Foreign relations--Africa, West--Congresses.
Harvard subject headings:
Africa, West--Economic integration--Congresses.
Africa, West--Foreign relations--Benin--Congresses.
Africa, West--Politics and government--Congresses.
Benin--Foreign relations--Africa, West--Congresses.
Regionalism--Africa, West--Congresses.
Princeton subject headings:
Africa, West--Economic integration--Congresses.
Africa, West--Foreign relations--Benin--Congresses.
Africa, West--Politics and government--Congresses.
Benin--Foreign relations--Africa, West--Congresses.