Columbia subject headings:
Harvard subject headings:
Agricultural laborers--Chile--History--20th century.
Agricultural laborers--Chile--Political activity--History--20th century.
Agricultural laborers--Labor unions--Chile--History--20th century.
Chile--Rural conditions.
Land reform--Chile--History--20th century.
Princeton subject headings:
Chile--History--1920-1970.
Chile--History--1970-1973.
Chile. President (1964-1970 : Frei Montalva)
Chile. President (1970-1973 : Allende Gossens)