Education
404, rien à cette adresse
http://www.diwanbreizh.org/sections.php4?op=viewarticle&artid=6
Geographic distribution and dialects
Santa Barbara, California - Wikipedia
https://en.wikipedia.org/wiki/Santa_Barbara,_CaliforniaCeltic Culture: A-Celti
https://books.google.com/books?id=f899xH_quaMC&pg=PA250
Revival efforts
Book sources - Wikipedia
https://en.wikipedia.org/wiki/Special:BookSources/2-911447-94-8ISBN - Wikipedia
https://en.wikipedia.org/wiki/ISBN_(identifier)The naïf, the sophisticate, and the party girl: Regional and gender stereotypes in Breton language web videos
https://www.academia.edu/1927936/The_na%C3%AFf_the_sophisticate_and_the_party_girl_Regional_and_gender_stereotypes_in_Breton_language_web_videos
History and status
Benjamin W. Fortson IV - Wikipedia
https://en.wikipedia.org/wiki/Benjamin_W._Fortson_IV
Breton language
Book sources - Wikipedia
https://en.wikipedia.org/wiki/Special:BookSources/978-0-670-02481-0ISBN - Wikipedia
https://en.wikipedia.org/wiki/ISBN_(identifier)Jared Diamond - Wikipedia
https://en.wikipedia.org/wiki/Jared_Diamond