Columbia subject headings:
Harvard subject headings:
Sponsors--Mexico--Yucatán (State)
Yucatán (Mexico : State)--Economic conditions.
Yucatán (Mexico : State)--Social conditions.
Princeton subject headings:
Haciendas--Mexico--Yucatán.
Indians of Mexico--Mexico--Yucatán--Economic conditions.
Indians of Mexico--Mexico--Yucatán--Land tenure.
Indians of Mexico--Mexico--Yucatán--Social conditions.