Columbia subject headings:
African cooperation--Congresses.
Competent authority--Africa--Congresses.
International agencies--Africa--Congresses.
Regionalism (International organization)--Africa--Congresses.
Harvard subject headings:
African cooperation--Congresses.
Competent authority--Africa--Congresses.
International agencies--Africa--Congresses.
Regionalism (International organization)--Congresses.
Princeton subject headings: