Referência WELLS, James W.. EXPLORING AND TRAVELING THREE THOUSAND MILES THROUGH BRAZIL: FROM RIO DE JANEIRO TO MARANHÃO WITH AN APPENDIX CONTAINING STATISTICS AND OBSERVATIONS ON CLIMATE, RAILWAYS, CENTRAL SUGAR FACTORIES, MINING, COMMERCE AND FINANCE; THE PAST PRESENT AND FUTURE AND PHYSICAL GEOGRAPHY OF BRAZIL. Londres, Inglaterra: Sampson Low, 1886.