Columbia subject headings:
Agricultural laborers--Ecuador--History.
Agriculture--Ecuador--Chanchán River Valley.
Agriculture--Mira River Valley (Ecuador and Colombia)
Chanchán River Valley (Ecuador)--Rural conditions.
Ecuador--Rural conditions.
Indians of South America--Ecuador--Economic conditions.
Mira River Valley (Ecuador and Colombia)--Rural conditions.
Harvard subject headings:
Princeton subject headings:
Agricultural laborers--Ecuador.
Ecuador--Rural conditions.
Peasants--Ecuador.