1. Community Diagnosis and Health Action, A manual for Tropical and Rural Areas,1979
2. For analyses of the data, see Whitfield R., Schwab I. and Dekkers L. et al. Cataract in Kenya. In press.
3. Maiyeu na Modooku;International Eye Foundation,1981
4. Calcott R.D. Blindness in Kenya. British Empire Society
5. Health and Disease in Kenya;Bisley,1974