Nurse, Derek. 1982. "Segeju and Daisu: a Case Study of Evidence From Oral Tradition and Comparative Linguistics." In History in Africa, 9: 175-208.

Philip A. Noss. 2001. "Ideas, Phones and Gbaya Verbal Act." In Ideophones, edited by Erhard Friedrich Karl Voeltz and Christa Kilian-Hatz. 259-270. John Benjamins Publishing Company.

Abdon Agaw Jok Nhial. 1975. "Ki-Nubi and Arabic: a Comparative Study." In Directions in Sudanese Linguistics and Folklore, edited by Sayyid Hamid Hurreiz and Herman Bell. 81-93. Khartoum University Press.

David Ngang. Les Pronoms En Karang (ALCAM 352). PhD thesis, SIL Cameroun, 1999. Online: http://silcam.org/languages/languagepage.php?languageid=153.

Nangoloh, Phil ya, W. Trumper and Zen-Asser Mnakapa. 1996. "The Rights of Indigenous Peoples: the Kxoe People of Namibia." National Soc. for Human Rights.

Namaseb, Levi. 2000. "The Patterns of Language Use and Transmission Among the Khoekhoe Speakers in the Capital of Namibia and Future Trends." In The state of Khoesan languages in Botswana, edited by Herman M. Batibo and Joseph Tsonope. 57-75. Tasalls Publ. & Books; Basarwa Languages Project, Univ. of Botswana & Univ. of Tromsø.

Hirosi Nakagawa. Aspects of the Phonetic and Phonological Structure of the G|ui Language. PhD thesis, Univ. of the Witwatersrand, 2006. Online: http://wiredspace.wits.ac.za/handle/10539/4517.

Hirosi Nakagawa. 1998. "Unnatural Palatalization in /Gui and //Gana?" In Language, identity and conceptualization among the Khoisan, edited by Mathias Schladt. 15: 245-263. Rüdiger Köppe Verlag.

Naden, Anthony Joshua. 1999. "Notes On the Kamara of Larabanga." In Cahiers voltaïques / Gur papers, 4: (?).

Mturi, P.M., S. Sasore and Jan Bender Shetler. 2001. "Historia Ya Ikizu Na Sizaki = History of Ikizu and Sizaki." 48. Goshen College Printing Services.