Bradley, David (2005). "Sanie and language loss in China". International Journal of the Sociology of Language. 2005 (173): 159–176. doi:10.1515/ijsl.2005.2005.173.159.
Löffler, Lorenz G. (1966). "The contribution of Mru to Sino-Tibetan linguistics". Zeitschrift der Deutschen Morgenländischen Gesellschaft. 116 (1): 118–159. JSTOR43369896.
Bradley, David (1997). "Tibeto-Burman languages and classification"(PDF). Tibeto-Burman languages of the Himalayas, Papers in South East Asian linguistics. Canberra: Pacific Linguistics. pp. 1–71.