1. Night waking in infants during the first 14 months;Bernal, J.F.;Developmental Medicine and Child Neurology,1973
2. Developmental Screening 0-5 Years;Egan, D.; Illingworth, R.S.; Mac Keith, R.C.;Clinics in Developmental Medicine,1969
3. Delayed development of speech with special reference to dyslexia;S, Ingram T.T.;Proceedings of the Royal Society,1963
4. Child Welfare Centres;O, Sheldon Report) H.M.S.,1967
5. Population Censuses and Surveys;O, H.M.S.,1972