Jiang, Di 江荻. 2005. 義都語研究 [On Yidu language]. Beijing: The Nationalities Press.

Sun, Hongkai. 2001. On language of the Qiangic branch in Tibeto-Burman. Language and Linguistics 2.1:157-181. [in Chinese] URL: http://www.ling.sinica.edu.tw/files/publication/j2001_1_06_7146.pdf

Walter Shearer and Hongkai Sun. 2002. Speakers of the non-Han languages and dialects of China. Lampeter, Wales: Edwin Mellen Press.

Mixtec Dialect History (Proto-Mixtec and Modern Mixtec Text)

Li, Xia 李霞, Jinfang Li 李錦芳, and Yongxian Luo 羅永現. 2014. A grammar of Zoulei, Southwest China. Berlin: Peter Lang.

Manuel Widmer. 2014. A descriptive grammar of Bunan. PhD Dissertation. University of Bern. http://www.academia.edu/12619407/A_descriptive_grammar_of_Bunan

Phonetik und Phonologie des Wogeo

Kairiru grammar

Die Bewohner der Insel Tumleo, Berlinhafen, Deutsch-Neu-Guinea

Zur Kenntnis der melanesischen Sprache von der Insel Tumleo