Columbia subject headings:
Harvard subject headings:
Land reform--Mexico--Mexicali Region--History.
Mexicali Region (Mexico)--History.
Mexico--History--1910-1946.
Oral history
Peasants--Mexico--Mexicali Region--History.
Princeton subject headings:
Ejidos--Mexico--Mexicali Valley--History--20th century.
Land reform--Mexico--Mexicali Valley--History--20th century.
Land tenure--Mexico--Mexicali Valley--History--20th century.