Columbia subject headings:
Latin America--Economic conditions--1945-
Latin America--Politics and government--1948-1980.
Latin America--Social conditions--1945-1982.
Technological innovations--Latin America.
Harvard subject headings:
Science--Latin America.
Technological innovations--Latin America
Technology--Latin America.
Princeton subject headings:
Latin America--Economic conditions--1945-
Latin America--Politics and government--1948-1980.
Latin America--Politics and government--1980-
Latin America--Social conditions--20th century.
Technological innovations--Latin America.