Columbia subject headings:
Agricultural laborers--Mexico--Sinaloa (State)
Agriculture--Economic aspects--Mexico--Sinaloa (State)
Harvard subject headings:
Agricultural laborers--Mexico--Sinaloa (State)
Agriculture--Economic aspects--Mexico--Sinaloa (State)
Princeton subject headings:
Agricultural laborers--Mexico--Sinaloa (State).
Agriculture--Economic aspects--Mexico--Sinaloa (State).