In a video produced by Cambridge University, anthropologist Mark Turin discusses his work helping speakers of Thangmi, a Tibeto-Burman language spoken in eastern Nepal. He aims to document disappearing languages, most of which haven't been written down before, as part of the World Oral Literature Project.
2011. "Language researchers chart vanishing voices - video". Guardian. Posted: February 22, 2011. Available online: http://www.guardian.co.uk/science/video/2011/feb/22/language-researchers-vanishing-voices-video