Columbia subject headings:
Coffee plantation workers--Brazil--São Paulo (State)--History--19th century.
Foreign workers, Swiss--Brazil--São Paulo (State)--History--19th century.
Harvard subject headings:
Coffee plantation workers--Brazil--São Paulo (State)--History--19th century.
Foreign workers, Swiss--Brazil--São Paulo (State)--History--19th century.
Princeton subject headings:
Coffee plantation workers--Brazil--Saõ Paulo (State).
Sharecropping--Brazil--Saõ Paulo (State).
Swiss--Brazil--São Paulo (State).