1. Excavations in bed I and II, 1960–1963 vol. 3;MD Leakey,1971
2. After the Australopithecines. Stratigraphy, Ecology, and Cultural Change in the Middle Pleistocene.;MD Leakey,1975
3. Le Paléolithique en Afrique. L’Histoire la Plus Longue;S Semaw,2005
4. The Oldowan: Case Studies into the Earliest Stone Age;S Semaw,2006
5. The Oldowan assemblage from NY18 site at Nyabusosi (Toro-Uganda);P-J Texier;CR. Acad. Sci. Paris IIa.,1995