Collot, Pierre-Alain (2017) The regional languages in France and the limit of the protection of an intangible cultural heritage, International conference on intangible cultural heritage. In: International Policies Regulations for Intangible Cultural Heritage: Conference of 30 june and 1st july 2016 in Tapei.Yao-Ming HSU ed. Angle Publishing Co. Ltd, Taipei. Taiwan pp. 45-60. ISBN 9789862558577