Columbia subject headings:
Political refugees--Costa Rica.
Political refugees--El Salvador.
Salvadorans--Costa Rica--Economic conditions.
Salvadorans--Costa Rica--Social conditions.
Harvard subject headings:
Refugees--Costa Rica.
Refugees--El Salvador
Salvadorans--Costa Rica--Economic conditions.
Salvadorans--Costa Rica--Social conditions.
Princeton subject headings:
Refugees--Costa Rica.
Refugees--El Salvador.
Salvadorans--Costa Rica--Economic conditions.
Salvadorans--Costa Rica--Social conditions.