DJVU Luce, G.H. undated, ""K'umi Initials" correspondences of initial consonants tabled for K'umi - Xôngsai - Tedim - Hualngo - Kualsim - Haka - Ashau", in Luce Collection, MS 6574-7, pp. 069a-070b. National Library of Australia. cite.

DJVU Luce, G.H. undated, "Comparative lexicon: Tlongsai - Zeuhnang - Hawthai - Sabeu - Lushei - Hualngau - K'ualsim - Haka - Ashau - K'umi - Măra - Mătupi - Zotung - Lailenpi", in Luce Collection, MS 6574-7, pp. 135a-148b. National Library of Australia. cite.