Columbia subject headings:
Harvard subject headings:
Agriculture--Economic aspects--Latin America--Congresses
Geography--Research--Congresses.
Latin America--Economic conditions--1945---Congresses.
Latin America--Social conditions--1945---Congresses.
Mexicans--United States--Congresses.
Power resources--Caribbean Area--Congresses.
Princeton subject headings:
Agriculture--Economic aspects--Latin America--Congresses.
Latin America--Economic conditions--1945---Congresses.
Latin America--Social conditions--1945-1982--Congresses.
Power resources--Caribbean area--Congresses.