Athabascan, Eyak, and Tlingit make up Na-Dene. Greenberg put Haida in there too, though everybody else considers Haida an isolate.
But you know what I don't get is how Greenberg could just create a hugely diverse macro-family like Amerind, and not have jack to back it up. I mean, it's ridiculously internally diverse, if it is a family at all, which I highly doubt.
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