The Green Book of Language Revitalization in Practice by Leanne Hinton and Ken Hale.
This Hinton and Hale book catalogs major case studies of language revitalization efforts.
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When Languages Die by K. David Harrison.
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Vanishing Voices: The Extinction of the World's Languages by Daniel Nettle, Suzanne Romaine
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Endangered Languages: Language Loss and Community Response by Lenore A. Grenoble, Lindsay J. Whaley.
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Language Death by David Crystal
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