Caron, Bernard. 2005. Za:r: dictionary, grammar, texts. Ibadan: IFRA.

Caron, Bernard. 2013. Zaar Grammatical Sketch. LLACAN at INALCO-CNRS.

Caron, Bernard. 2003. A linguist's field notes. Ibadan, Nigeria: Institut français de recherche en Afrique.

Roger Blench. 2012. "An Atlas of Nigerian Languages." The latest version of the Index of Nigerian Languages. 3rd. Edition. Online: http://www.rogerblench.info/Language/Africa/Nigeria/Atlas%20of%20Nigeri…

Yashawanta, Ch. and Singh, Naor. 2012. Rongmei Phonology. International Journal of Dravidian Linguistics 41. 155-185.

Gonmei, Guigongpuo. 2011. Linguistic Ecology of Rongmei. In Singh, Shailendra Kumar (ed.), Linguistic Ecology: Manipur, 186-205. Guwahati: EBH Publishers.

Mpamei, Caleb. 1996. A phonetic study on Rongmei. Master's thesis. Jawaharlal Nehru University. 122pp.

Gopalkrishnan, N. 2002. Bonda. In Banthia et al. (eds.), Linguistic Survey of India: Special Studies Orissa, 271-282.

Kondakov, Alexander. 2011. Koch Survey Wordlists and Sociolinguistic Questionnaire. (SIL Electronic Survey Reports 2011-033.) SIL International. 47pp.

Sarmah, Priyankoo. 2009. Tone systems of Dimasa and Rabha: A phonetic and phonological study. PhD dissertation, University of Florida. 158pp.