Columbia subject headings:
Harvard subject headings:
Businessmen--Brazil--Paraná (State)--Biography.
Lumber trade--Brazil--Paraná (State)--History.
Mate (Tea) industry--Brazil--Paraná (State)--History.
Paraná (Brazil : State)--History.
Serro Azul, Ildefonso Pereira Correia, barão do, 1845-1894.
Tea trade--Brazil--Paraná (State)--History.
Princeton subject headings:
Entrepreneurship--Biography.
Lumber trade--Brazil--Paraná.
Mate (Tea)
Serro Azul, Ildefonso Pereira Correia, Barão do, 1845-1894.