Nash, T. A. M. (1929). "Note on the Discovery of Some Rock-Paintings Near Kondoa Irangi in Tanganyika Territory". The Journal of the Royal Anthropological Institute of Great Britain and Ireland. 59: 199–206. doi:10.2307/2843565. ISSN0307-3114. JSTOR2843565.
Nash, T. A. M. (1929). "Note on the Discovery of Some Rock-Paintings Near Kondoa Irangi in Tanganyika Territory". The Journal of the Royal Anthropological Institute of Great Britain and Ireland. 59: 199–206. doi:10.2307/2843565. ISSN0307-3114. JSTOR2843565.
Nash, T. A. M. (1929). "Note on the Discovery of Some Rock-Paintings Near Kondoa Irangi in Tanganyika Territory". The Journal of the Royal Anthropological Institute of Great Britain and Ireland. 59: 199–206. doi:10.2307/2843565. ISSN0307-3114. JSTOR2843565.
Inskeep, R. R. (1962). The age of the Kondoa rock paintings in the light of recent excavations at Kisese II rock shelter. Musée royal de l'Afrique centrale. OCLC57938032.