Columbia subject headings:
Harvard subject headings:
Economic zoning--Latin America--Congresses.
Land settlement--Latin America--Congresses.
Latin America--Colonization--Congresses.
Rural development--Latin America--Congresses
Princeton subject headings:
Economic zoning--Latin America--Congresses.
Land settlement--Latin America--Congresses.
Latin America--Colonization--Congresses.
Rural development--Latin America--Congresses.