DJVU Luce, G.H. undated, "Comparative lexicon according to tone patterns: Xôŋsai - Tedim - Lushai - Haulŋo - Kualsim - Haka - Saingbaung - K'umi (colour at 300 DPI)", in Luce Collection, MS 6574-7, pp. 004-110b. National Library of Australia. cite.