DJVU Luce, G.H. undated, "Comparative lexicon by semantic groups: Vietnamese - Bahnar - Sre - Biat - Stieng - Khmer - Sakai/Besisi - CarNicobar - OldMon - ModernMon - Rianglang - Palaung - Khasi", in Luce Collection, MS 6574-7, pp. 057a-063b. National Library of Australia. cite.