Columbia subject headings:
Collective behavior--Brazil--Case studies.
Demonstrations--Brazil--Case studies.
Land reform--Political aspects--Brazil.
Land reform--Social aspects--Brazil.
Movimento dos Trabalhadores sem Terra (Brazil)
Harvard subject headings:
Collective behavior--Case studies.
Demonstrations--Brazil--Case studies.
Land reform--Political aspects--Brazil.
Land reform--Social aspects--Brazil.
Movimento dos Trabalhadores sem Terra (Brazil)
Princeton subject headings:
Movimento dos Trabalhadores Rurais sem Terra (Brazil)