Crystal, D. (2000). Language Death. Cambridge: Cambridge University Press.

Gordon, R.G. (Ed.). (2005). Ethnologue: Languages of the World. Dallas: SIL International.

Harrison, K. David. (2006). When Languages Die: The Extinction of the World's Languages and the Erosion of Human Knowledge. Oxford: Oxford University Press.

Hinton, L., & Hale, K. (Eds.). (2001). The Green Book of Language Revitalization in Practice. San Diego: Academic Press.

Nettle, D., & Romaine, S. (2000). Vanishing Voices. Oxford: Oxford University Press.


Enduring Voices Project and Language Hotspots websites, National Geographic Society.

Karuk language class at Hoopa Valley High School (CA).

The Rosetta Project is an online archive of many documented languages.

People working to promote the Anishinaabemowin (Ojibwe) language in Michigan.

UNESCO Red Book of Endangered Languages.

Young people's American Indian languages website.