Columbia subject headings:
Harvard subject headings:
Strikes and lockouts--Sugarcane industry--Brazil--São Paulo (State)
Sugar workers--Brazil--São Paulo (State)--Social conditions.
Sugar workers--Labor unions--Brazil--São Paulo (State)
Wages--Sugar workers--Brazil--São Paulo (State)
Princeton subject headings:
Migrant agricultural laborers--Brazil--São Paulo (State)--History--20th century.
Migrant agricultural laborers--Labor unions--Brazil--São Paulo (State)--History--20th century.
Strikes and lockouts--Sugar industry--Brazil--São Paulo (State)--History--20th century.
Sugar workers--Brazil--São Paulo (State)--History--20th century.