Kojima, Gôichi (2003) Lazuri grameri Chiviyazıları, Kadıköy, İstanbul, ISBN975-8663-55-0 (notes in English and Turkish)
Nichols, Johanna (1998). The origin and dispersal of languages: Linguistic evidence. In N. G. Jablonski & L. C. Aiello (Eds.), The origin and diversification of language. San Francisco: California Academy of Sciences.
Nichols, Johanna (2004). The origin of the Chechen and Ingush: A study in Alpine linguistic and ethnic geography. Anthropological Linguistics 46(2): 129-155.
Tuite, Kevin. (1996). Highland Georgian paganism — archaism or innovation?: Review of Zurab K’ik’nadze. 1996. Kartuli mitologia, I. ǰvari da saq’mo. (Georgian mythology, I. The cross and his people [sic].). Annual of the Society for the Study of Caucasia 7: 79-91.
