Columbia subject headings:
Harvard subject headings:
Latin America--Politics and government--20th century.
Representative government and representation--Latin America--History--20th century.
Representative government and representation--Southern Cone of South America--History--20th century.
Southern Cone of South America--Politics and government.
Princeton subject headings:
Argentina--Politics and government--1983-2002.
Brazil--Politics and government--1985-2002.
Chile--Politics and government--1973-
Representative government and representation--South America--Case studies.
Socialism--South America--Case studies.
Uruguay--Politics and government--1973-1985.
Uruguay--Politics and government--1985-