Mattoon, Robert H. (1977). "Railroads, Coffee, and the Growth of Big Business in São Paulo, Brazil". The Hispanic American Historical Review. 57 (2): 273–295. doi:10.2307/2513775. JSTOR2513775.
Mattoon, Robert H. (1977). "Railroads, Coffee, and the Growth of Big Business in São Paulo, Brazil". The Hispanic American Historical Review. 57 (2): 273–295. doi:10.2307/2513775. JSTOR2513775.