Atlas of the World's Languages in Danger

"Red Book of Endangered Languages" redirects here. For other uses of "Red Book", see Red Book. For the Red Book of Endangered Species, see IUCN Red List.
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The UNESCO Atlas of the World's Languages in Danger was an online publication containing a comprehensive list of the world's endangered languages. It originally replaced the Red Book of Endangered Languages as a title in print after a brief period of overlap before being transferred to an online only publication.