Amerind, Na-Dene and Eskimo-Aleut
Source: Greenberg, Joseph H. 1987. Language in the Americas. Stanford: Stanford University Press. 387.
The LINGUIST List MultiTree Language Database. Date Digitized: January 2010 Map Description: This map illustrates Joseph Greenberg's 1987 classification of native languages in the Americas. Greenberg (REF) hypothesizes that there are only three language families in the Americas.
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