Linguistic Society of America. Committee on Endangered Languages and their Preservation., Linguistic Society of America. Committee on Endangered Languages and their Preservation., and Akira Y. Yamamoto. “Endangered Languages Data Summary”. Kansas Working Papers in Linguistics 21 (January 1, 1996): 159–229. Accessed November 24, 2024. https://journals.ku.edu/kwpl/article/view/17861.