DJVU PDF Mortensen, D. 2003, "Review of Bahengyu Yanjiu [Research on the Pahng language] by Mao Zongwu and Li Yunbing", in Linguistics of the Tibeto-Burman Area, vol. 26, no. 1, pp. 123-131. cite.

DJVU PDF Mortensen, D. 2002, "Review of Les langues Hmong-Mjen (Miao-Yao): Phonologie historique by Barbara Niederer", in Linguistics of the Tibeto-Burman Area, vol. 25, no. 2, pp. 243-246. cite.