Columbia subject headings:
Indians of Mexico--Mexico--Yucatán (State)--Economic conditions.
Indians of Mexico--Mexico--Yucatán (State)--Social conditions.
Mayas--Economic conditions.
Mayas--Social conditions.
Yucatán (Mexico : State)--Rural conditions.
Harvard subject headings:
Princeton subject headings:
Yucatán (Mexico : State)--Social conditions.