Columbia subject headings:
Harvard subject headings:
Peasants--Mexico--Guerrero (State)--Political activity--20th century.
Peasants--Mexico--Oaxaca--Political activity--History--20th century.
Peasants--Political activity--Mexico--Guerrero (State)--20th century.
Peasants--Political activity--Mexico--Oaxaca (State)--History--20th century.
Peasants--Political activity--Mexico--Oaxaca--History--20th century.
Princeton subject headings:
Land tenure--Mexico--Guerrero (State)--History--20th century.
Land tenure--Mexico--Oaxaca--History--20th century.
Peasants--Mexico--Guerrero (State)--Political activity--History--20th century.
Peasants--Mexico--Oaxaca--Political activity--History--20th century.