Columbia subject headings:
Chile--Economic conditions--1918-
Chile--Politics and government--1970-1973.
Political parties--Chile.
Unidad Popular.
Harvard subject headings:
Chile--Economic conditions--1918-
Chile--Politics and government--1970-1973.
Political parties--Chile
Unidad Popular.
Princeton subject headings:
Chile--Economic conditions--1918-
Chile--Politics and government--1970-.
Political parties--Chile.
Unidad Popular.