Columbia subject headings:
Harvard subject headings:
Africa--Economic integration--Congresses.
International economic integration--Congresses.
International organization--Congresses
Latin America--Economic integration--Congresses.
Regional planning--Congresses.
World politics--Congresses
Princeton subject headings:
Africa--Economic integration--Congresses.
International agencies--Congresses.
International economic integration--Congresses.
Latin America--Economic integration--Congresses.
Regional planning--Congresses.
World politics--Congresses.