Columbia subject headings:
Galapagos Islands Region--Population--Statistics.
Galapagos Islands Region--Social conditions--Statistics.
Oriente (Ecuador)--Population--Statistics.
Oriente (Ecuador)--Social conditions--Statistics.
Harvard subject headings:
Galapagos Islands--Population--Statistics.
Galapagos Islands--Social conditions--Statistics.
Oriente (Ecuador)--Population--Statistics.
Oriente (Ecuador)--Social conditions--Statistics.
Princeton subject headings: