History. 2016. Sergejeva, Jelena. The Eastern Sámi Languages and LanguagePreservation (pdf). Nordiska ministerrådet. 2002 [2020-06-07]. (原始内容存档于2021-03-06)
(原始内容存档于2022-02-15). The Endangered Languages Project: Supporting languagepreservation through technology and collaboration. Google Blog, June 20, 2012
Fairbanks: Alaska Native Language Center. 1994. Pringle, Heather. 2007. "The Battle Over Amaknak Bridge - Progress Versus Preservation in Alaska's Aleutian
Bivan, Amos D. Language Endangerment: Globalisation & the fate of minority languages in Nigeria [Towards the Preservation of the Tyap language]. The Nigerian