Learning, speech and thought in the mentally retarded proceedings of Symposia 4 and 5 held at the Middlesex Hospital Medical School on 31 October 1969 and 20 March 1970 under the auspices of the Institute for Research into Mental Retardation, London
Clarke, A. D. B.(Alan Douglas Benson)
Lewis, M. M.(Morris Michael)
London Butterworths for the Institute for Research into Mental Retardation
1972
Includes bibliographies
Children with mental disabilities