Columbia subject headings:
Associations, institutions, etc.--Costa Rica--History.
Costa Rica--History--1821-1948.
Costa Rica--History--1948-1986.
Costa Rica--Intellectual life.
Public institutions--Costa Rica--History.
Harvard subject headings:
Costa Rica--Civilization.
Costa Rica--Economic conditions.
Costa Rica--Politics and government.
Costa Rica--Social conditions.
Education--Costa Rica--History--20th century.
Industries--Costa Rica--History--20th century.
Social institutions--Costa Rica--History--20th century.
Princeton subject headings: