Ethnologue: Languages of the World, 16th Edition (2009) . (2009) · edited by M. Paul Lewis · SIL International http://www.ethnologue.com/

Atlas of the World’s Languages in Danger . Christopher Moseley (ed.) (2010) · UNESCO Publishing http://www.unesco.org/culture/en/endangeredlanguages/atlas

World Oral Literature Project . http://www.oralliterature.org

East and Southeast Asia ( pp. 349-424 ) . David Bradley (2007) · In Encyclopedia of the World's Endangered Languages edited by C. Moseley · London & New York: Routledge

Shǐxīng, a Sino-Tibetan Language of South-west China: A Grammatical Sketch with two Appended Texts ( pp. 1-89 ) . Katia Chirkova (2009) · Linguistics of the Tibeto-Burman Area. 32 (1) · http://www.katia-chirkova.info/resources/publications/published/KC2009Shixing.pdf

Endangered Languages Catalogue Project. Compiled by research teams at University of Hawai'i Mānoa and Institute for Language Information and Technology (LINGUIST List) at Eastern Michigan University . (2012) ·

On language of the Qiangic branch in Tibeto-Burman ( pp. 157-181 ) . Sun, Hongkai (2001) · Language and Linguistics. 2 (1) · http://www.ling.sinica.edu.tw/files/publication/j2001_1_06_7146.pdf

Personal communication on Xumi/Shixing . Katia Chirkova (2015) ·

Xumi, Part 1: Lower Xumi, the variety of the lower and middle reaches of the Shuiluo River ( pp. 363-379 ) . Katia Chirkova and Yiya Chen (2013) · Journal of the International Phonetic Association. 43 (3) ·

Xumi, Part 2: Upper Xumi, the variety of the upper reaches of the Shuiluo River. ( pp. 381-396 ) . Katia Chirkova, Yiya Chen, and Tanja Kocjančič Antolik (2013) · Journal of the International Phonetic Association. 43 (3) ·

Xùmĭ ( ch. 25 ) . Katia Chirkova (2014) · In Encyclopedia of Chinese Linguistics edited by Rint Sybesma, Wolfgang Behr, Zev Handel, and C. T. James Huang · Brill

史興語研究 [A study of Shixing] . Sun, Hongkai 孫宏開, Dan Xu 徐丹, Guangkun Liu 劉光坤, and Lurong Duoding (2014) · The Ethnic Publishing House 民族出版社

Tibet's minority languages: Diversity and endangerment . Gerald Roche and Hiroyuki Suzuki (2017) · Modern Asian Studies. http://www.academia.edu/28138202/Tibets_Minority_Languages_Diversity_and_Endangerment