DJVU PDF Purnell, H.C. 2002, "Steps Toward Standardization of a Minority Orthography: An Update on Mien (Yao)", in Papers from the Tenth Annual Meeting of the Southeast Asian Linguistics Society, ed. M. Macken, pp. 297-316. Arizona State University, Program for Southeast Asian Studies. cite.

DJVU PDF Purnell, H.C. 1998, "Putting it all together: Components of a secular song in Iu Mien", in Papers from the Fifth Annual Meeting of the Southeast Asian Linguistics Society, ed. S.L. Chellian and W.J.D. Reuse, pp. 277-302. Arizona State University, Program for Southeast Asian Studies. cite.