Columbia subject headings:
Agricultural laborers--Political activity--Brazil.
Land reform--Brazil.
Movimento dos Trabalhadores Rurais sem Terra (Brazil)
Peasants--Political activity--Brazil.
Harvard subject headings:
Agricultural laborers--Political activity--Brazil--History--20th century.
Land reform--Brazil--History--20th century.
Movimento dos Trabalhadores Rurais sem Terra (Brazil)--History.
Peasants--Brazil--Political activity--History--20th century.
Princeton subject headings:
Agricultural laborers--Political activity--Brazil--History--20th century.
Land reform--Brazil--History--20th century.
Movimento dos Trabalhadores Rurais sem Terra (Brazil)--History.
Peasants--Brazil--Political activity--History--20th century.