Columbia subject headings:
Harvard subject headings:
Economic development--Environmental aspects--Congresses
Environmental policy--Latin America--Congresses
Human ecology--Latin America--Congresses.
Land settlement--Latin America--Congresses.
Latin America--Economic conditions--1945---Congresses.
Regional planning--Environmental aspects--Latin America--Congresses.
Princeton subject headings:
Economic development--Environmental aspects--Congresses.
Environmental policy--Latin America--Congresses.
Human ecology--Latin America--Congresses.
Latin America--Economic conditions--1945---Congresses.