Columbia subject headings:
Harvard subject headings:
Coffee--Harvesting--Mexico--Chiapas.
Tzotzil Indians--Agriculture.
Tzotzil Indians--Social conditions.
Tzotzil Indians.
Tzotzil language--Texts.
Princeton subject headings:
Coffee--Mexico--Chiapas--Harvesting.
Tzotzil Indians--Agriculture.
Tzotzil language--Texts.