Columbia subject headings:
Indians of Central America--Costa Rica--Congresses.
Harvard subject headings:
Costa Rica--Antiquities.
Costa Rica--Social life and customs.
Indians of Central America--Costa Rica--Antiquities
Indians of Central America--Costa Rica--Social life and customs.
Princeton subject headings:
Costa Rica--Antiquities.
Indians of Central America--Costa Rica--Antiquities.
Indians of Central America--Costa Rica--Social life and customs.