Columbia subject headings:
Costa Rica--Economic policy.
Costa Rica--Politics and government--1948-1986.
Political parties--Costa Rica--History.
Social classes--Costa Rica--History.
Harvard subject headings:
Costa Rica--Economic policy.
Costa Rica--Politics and government--1948-1986.
Political parties--Costa Rica--History.
Social classes--Costa Rica--History.
Princeton subject headings:
Costa Rica--Economic policy.
Costa Rica--Politics and government--1948-.
Political parties--Costa Rica--History.
Social classes--Costa Rica--History.