Columbia subject headings:
Harvard subject headings:
Agricultural laborers--Brazil--São Paulo (State)--Political activity.
Agricultural laborers--Brazil--São Paulo (State)--Social conditions.
Communists--Brazil--São Paulo (State)--Biography.
Moraes, Irineu Luís de, 1912-
Princeton subject headings:
Moraes, Irineu Luís de, 1912-
Peasants--Brazil--São Paulo (State)--Political activity.
Peasants--Brazil--São Paulo (State)--Social conditions.
São Paulo (Brazil : State)--Biography.