DJVU PDF Handel, Z. 2002, "Proto-Lolo-Burmese velar clusters and the origin of Lisu palatal sibilants", in Linguistics of the Tibeto-Burman Area, vol. 25, no. 1, pp. 95-112. cite.
DJVU PDF Handel, Z. 1994, "Review of A Dictionary of the Northern Dialect of Lisu (China and Southeast Asia)", in Linguistics of the Tibeto-Burman Area, vol. 17, no. 1, pp. 141-154. cite.
DJVU PDF Sun, H. 1990, "Languages of the Ethnic Corridor in Western Sichuan", in Linguistics of the Tibeto-Burman Area, vol. 13, no. 1, pp. 1-31. cite.
DJVU PDF Manaster-Ramer, A. 1988, "What about Lisu?", in Linguistics of the Tibeto-Burman Area, vol. 11, no. 2, pp. 133-143. cite.