Columbia subject headings:
Ahumada, Jorge, 1917-1965.
Latin America--Economic conditions.
Venezuela--Economic conditions.
Harvard subject headings:
Latin America--Economic conditions--1945-
Latin America--Social conditions--1945-
Venezuela--Economic conditions--1958-
Venezuela--Social conditions--1958-
Princeton subject headings:
Ahumada, Jorge, 1917-1965.
Latin America--Economic conditions.
Venezeula--Economic conditions.