انتشارات Ilcaa
Haya Vocabulary
Shigeki Kaji, 1998
A Grammatical Sketch of Chaga-Rombo (Bantu E 623)
Sunano, Yukitoshi, 2014
A classified vocabulary of the Punu language
Yasutoshi Yukawa, 2006
A Kiw’oso Vocabulary
Ryohei Kagaya, 2006
Degema-English dictionary with English index
Ethelbert Emmanuel Kari, 2008
