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I'm sure this article needs to be expanded in many ways, it seems quite "stubbish". But I am particularly surprised no mention is made of his contributions to the field of Uto-Aztecan comparative-historical linguistics. Indeed, some people might think those contributions are as important as the ones mentioned! Or is linguistics only important when it's about English? -- A R King ( talk) 10:32, 17 February 2013 (UTC) reply

All it takes is to add it! ·ʍaunus· snunɐw· 16:23, 17 February 2013 (UTC) reply

He also introduced the theory of domains. I want to know about this part. — Preceding unsigned comment added by 122.193.143.39 ( talk) 11:32, 3 April 2013 (UTC) reply