Columbia subject headings:
Harvard subject headings:
Coffee plantation workers--Labor unions--Mexico--Chiapas.
Coffee plantation workers--Labor unions--Mexizo--Chiapas.
Coffee plantation workers--Mexico--Chiapas--Political activity.
Coffee plantation workers--Political activity--Mexico--Chiapas.
Land tenure--Mexico--Chiapas.
Princeton subject headings:
Chiapas (Mexico)--Rural conditions.
Coffee plantation workers--Mexico--Chiapas.
Coffee--Mexico--Chiapas.
Indians of Mexico--Mexico--Chiapas--Agriculture.
Land reform--Mexico--Chiapas.
Tzotzil Indians--Agriculture.