Columbia subject headings:
Harvard subject headings:
Costa Rica--Emigration and immigration.
Refugees--Central America
Refugees--Costa Rica--Statistics.
Refugees--Costa Rica.
Princeton subject headings:
Central America--Emigration and immigration--Economic aspects.
Central America--Emigration and immigration--Social aspects.
Costa Rica--Emigration and immigration--Economic aspects.
Costa Rica--Emigration and immigration--Social aspects.
Refugees--Costa Rica.