Columbia subject headings:
Central America--Politics and government--1951-1979.
Christian democracy--Central America.
Latin America--Politics and government--1948-1980.
Socialism--Central America.
Harvard subject headings:
Central America--Politics and government--1951-
Christian democracy.
Socialism--Central America.
Princeton subject headings:
Central America--Politics and government--1951-1979.
Christian democracy.
Latin America--Politics and government--1948-1980.
Socialism--Central America.