Columbia subject headings:
Agricultural laborers--Brazil.
Capitalism.
Coffee plantation workers--Brazil.
Coffee--Brazil--São Paulo (State)
Harvard subject headings:
Capitalism--History
Coffee industry--Brazil--São Paulo (State)--History.
Coffee plantation workers--Brazil--São Paulo (State)--History.
Princeton subject headings:
Capitalism--History.
Coffee industry--Brazil--São Paulo (State)--History.
Coffee plantation workers--Brazil--São Paulo (State)--History.