Surveys and other documentation work have been done by Nodjibogoto et al.[3][4] A description of Kwang was published by Jungraithmayr & Peust in 2023.[5]
^Kwang at Ethnologue (18th ed., 2015) (subscription required) Buso at Ethnologue (18th ed., 2015) (subscription required)
^Hammarström (2015) Ethnologue 16/17/18th editions: a comprehensive review: online appendices
^Nodjibogoto, Abel Nessiel; Mark Vanderkooi & Stephen Wagner. 2001. Enquete linguistique: kwang. 28pp.
^Nodjibogoto, A. Nessiel; Mark Vanderkooi & S. Wagner. 1990. Étude Linguistique - Kwang. Draft manuscript. 28pp.
^ abJungraithmayr, Herrmann; Peust, Carsten (2023). La langue kwang et ses dialectes (République du Tchad) (in French). Wiesbaden: Harrassowitz Verlag. ISBN978-3-447-12141-5.