Columbia subject headings:
Land reform--Mexico--Chihuahua (State)--History--20th century.
Harvard subject headings:
Agriculture and politics--Mexico--Chihuahua (State)
Agriculture and state--Mexico--Chihuahua (State)
Chihuahua (Mexico : State)--History.
Land reform--Mexico--Chihuahua (State)
Princeton subject headings:
Land reform--Mexico--Chihuahua (State)--History--20th century.