The Dyarim language of Central Nigeria and its affinities. . Roger Blench (2007) · In Topics in Chadic Linguistics III: Historical Studies: Papers from the 3rd Biennial International Colloquium on Chadic Languages edited by Henry Tourneux · Rüdiger Köppe

The Dyarum [=Kaiwari] people and their language . Roger Blench (2004) · Ogmios Newsletter. 23 Foundation for Endangered Languages http://www.ogmios.org/ogmios_files/236.htm

An Atlas of Nigerian Languages ( pp. 111 ) . Roger Blench (2012) · http://www.rogerblench.info/Language/Africa/Nigeria/Atlas%20of%20Nigerian%20Languages-%20ed%20III.pdf

Endangered Languages Catalogue Project. Compiled by research teams at University of Hawai'i Mānoa and Institute for Language Information and Technology (LINGUIST List) at Eastern Michigan University . (2012) ·