Bradley, David. (1997). Tibeto-Burman languages and classification. In D. Bradley (Ed.), Papers in South East Asian linguistics: Tibeto-Burman languages of the Himalayas (No. 14, pp. 1-71). Canberra: Pacific Linguistics.
Van Driem, George "Tibeto-Burman Phylogeny and Prehistory: Languages, Material Culture and Genes". Bellwood, Peter & Renfrew, Colin (eds) Examining the farming/language dispersal hypothesis (2003), Ch 19.
