Columbia subject headings:
Agriculture--Economic aspects--Latin America.
Latin America--Rural conditions.
Harvard subject headings:
Agricultural laborers--Latin America--Political activity--Congresses.
Latin America--Rural conditions--Congresses.
Rural development--Latin America--Congresses
Princeton subject headings:
Agricultural laborers--Latin America--Political activity--Congresses.
Latin America--Rural conditions--Congresses.
Rural development--Latin America--Congresses.