Ache Yi language
Ethnologue classifies Ache as a Southeastern Loloish language, and lists 35,000 speakers as of 2003. Ache has not been analyzed in classifications of Southeastern Loloish by Pelkey (2011) and Lama (2012), and hence remains unclassified within the Southeastern Loloish branch.
- Ache at Ethnologue (18th ed., 2015)
- Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, eds. (2017). "Ache". Glottolog 3.0. Jena, Germany: Max Planck Institute for the Science of Human History.
- "Archived copy". Archived from the original on 2013-08-01. Retrieved 2013-07-19.
- 云南民族识别参考资料 (1955), p.40
- Lama, Ziwo Qiu-Fuyuan. 2012. Subgrouping of Nisoic (Yi) Languages. Ph.D. thesis, University of Texas at Arlington.
- Pelkey, Jamin. 2011. Dialectology as Dialectic: Interpreting Phula Variation. Berlin: De Gruyter Mouton.