REFERENCES
- Brown , J. 1966 . The excavation of a group of burial mounds at Ilkek, near Gilgil, Kenya . Azania , I : 59 – 78 .
- Cole , S. 1963 . The Prehistory of East Africa New York
- Faugust , P. M. and Sutton , J. E. G. 1966 . The Egerton Cave on the Njoro River . Azania , I : 149 – 53 .
- Leakey , L. S. B. 1931 . Stone Age Cultures of Kenya Colony Cambridge
- Leakey , L. S. B. 1935 . Stone Age Races of Kenya Oxford
- Leakey , M. D. 1945 . Report on the excavations at Hyrax Hill, Nakuru, Kenya Colony . Trans. Royal Soc. of S. Africa , 30 ( 4 ) : 271 – 409 .
- Leakey , M. D. 1950 . Excavations at Njoro River Cave Oxford
- Posnansky , M. 1967a . Excavations at Lanet, Kenya, 1957 . Azania , II : 89 – 114 .
- Posnansky , M. 1967a . “ The Iron Age in East Africa ” . In Background to Evolution in Africa Edited by: Bishop , W. W. and Clark , J. D. 629 – 50 . Chicago chapter in