Aaron Rubin. 2012. "The Future Tense in Jibbali." In Grammaticalization in Semitic, edited by Domenyk Eades. 193-205. Oxford. Online: https://www.academia.edu/6922132/The_Future_Tense_in_Jibbali.

Hongkai Sun and Guangkun Liu. 2009. "A Grammar of Anong: Language Death Under Intense Contact." Boston: Brill Academic Publishers.

2004. "Case Studies of Endangered Languages in China (中國瀕危語言個案研究)." edited by Qingxia Dai (戴慶廈). Minzu Publisher (民族出版社).

Isvan. April 27, 2014. "Personal Communication."

Sharma Suhnu Ram. 2007. "Byangsi Grammar and Vocabulary." Pune, India: Deccan College Postgraduate and Research Institute.

Ethiopian Population Census Commission. 2007. "2007 Population and Housing Census of Ethiopia." Online: http://www.csa.gov.et/newcsaweb/images/documents/pdf_files/regional/Oro….

Kristine Hildebrandt. 2004. "A Grammar and Glossary of the Manange Language." In Tibeto-Burman languages of Nepal, edited by Carol Genetti. 1-192. Canberra: Pacific Linguistics.

Amare Fentaw Gedamu. 2014. "Documenting and Preserving the Chabu Oral and Material Cultures." Online: http://www.thelanguagedocumentationcrowd.org/chabu.

Remsangphuia. 2008. "Puroik Phonology." Shillong: Don Bosco.

Kasia Wojtylak. 2014. "Personal Communication."