Columbia subject headings:
Agriculture--Economic aspects--Mexico--Léon Region--History.
Haciendas--Mexico--Léon Region--History.
Land tenure--Mexico--Léon Region--History.
Harvard subject headings:
Agriculture--Economic aspects--Mexico--León Region--History.
Haciendas--Mexico--León Region--History.
Land tenure--Mexico--León Region--History.
Princeton subject headings:
Agriculture--Economic aspects--Mexico--León Region--History.
Haciendas--Mexico--León Region--History.
Land tenure--Mexico--León Region--History.