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This article contains a wealth of useful information, but at least one issue with it should perhaps be fixed, it says "There he learned to speak French first and then the Guaraní and Castilian." Why would he learn French in Corrientes, Argentina? It seems more likely that he already spoke French before leaving Switzerland, and in Corrientes learned only Guaraní and Spanish/Castillian. — Preceding unsigned comment added by 84.248.199.27 (talk) 09:02, 18 March 2018 (UTC)[reply]