Columbia subject headings:
Latin America--Politics and government--1948-1980.
Policy sciences.
Political planning--Latin America.
Harvard subject headings:
Latin America--Politics and government--1948-1980.
Latin America--Politics and government--1980-
Policy sciences.
Political planning--Latin America.
Princeton subject headings:
Latin America--Politics and government--1948-1980.
Latin America--Politics and government--1980-
Policy sciences.
Political planning--Latin America.