Columbia subject headings:
Harvard subject headings:
Atlixco Region (Mexico)--Economic conditions.
Haciendas--Mexico--Atlixco Region--History.
Wheat trade--Mexico--Atlixco Region--History.
Princeton subject headings:
Atlixco Region (Mexico)--Economic conditions.
Haciendas--Mexico--Atlixco Region--History.
Wheat trade--Mexico--Atlixco Region--History.