Columbia subject headings:
Harvard subject headings:
Haciendas--Mexico--History.
Haciendas--Mexico--Puebla (State)--History.
Haciendas--Mexico--Tlaxcala (State)--History.
Mexico--Rural conditions.
Princeton subject headings:
Haciendas--Mexico--History.
Haciendas--Mexico--Puebla (State)--History.
Haciendas--Mexico--Tlaxcala (State)--History.
Mexico--Rural conditions.