Columbia subject headings:
Agriculture--Mexico--Guerrero (State)
Indians of Mexico--Agriculture--Mexico--Guerrero (State)
Harvard subject headings:
Indians of Mexico--Agriculture--Mexico--Guerrero (State).
Nahuas--Agriculture--Mexico--Guerrero (State)
Traditional farming--Mexico--Guerrero (State).
Princeton subject headings:
Indians of Mexico--Agriculture--Mexico--Guerrero (State).
Nahuas--Agriculture--Mexico--Guerrero (State).
Traditional farming--Mexico--Guerrero (State).