Columbia subject headings:
Harvard subject headings:
Boundaries--Social aspects--Southern Cone of South America.
Latin Americans--Interviews.
National characteristics, South American.
Southern Cone of South America--Economic conditions.
Southern Cone of South America--Social conditions.
Princeton subject headings:
Interviews.
Latin Americans--Interviews.
Natural resources--Southern Cone of South America.
Social movements--Southern Cone of South America.
Southern Cone of South America--Social conditions.