DJVU Luce, G.H. undated, "Table of initial consonants: Zo - Tedim - Sizang - Lai", in Luce Collection, MS 6574-7, pp. 037. National Library of Australia. cite.

DJVU Luce, G.H. undated, "Zo tone checklist", in Luce Collection, MS 6574-7, pp. 043. National Library of Australia. cite.

DJVU Luce, G.H. undated, "Tone analysis: Thado - Zo - Tedim - Vwi", in Luce Collection, MS 6574-7, pp. 055a-056b. National Library of Australia. cite.