João Batista Lopes da Silva (17 January 2011). "Rio Grande do Sul". RSSSF. Archived from the original on 15 September 2011. Retrieved 3 September 2011.
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João Batista Lopes da Silva (17 January 2011). "Rio Grande do Sul". RSSSF. Archived from the original on 15 September 2011. Retrieved 3 September 2011.