References
- Denmark, J. C. (1978). Early Profound deafness and mental retardation. Brit, J. Mental Subnormality, 24(2), 81–89.
- Kropka, E. I. (1979). A. study of the deaf and partially hearing population in the mental handicap hospitals of Devon. A report to the Royal National Institute for the Deaf.
- Stewart, L. G. (1978). Hearing impaired/developmentally disabled personsin the United States - Defini-tions, causes, effects and prevalence estimates. Am. Annals of the Deaf, 123, 488–495.
- Tempowski, I., Felstead, H. and Simon, G. (1974). Deafness and the mentally retarded. APEX, 2, 4–5.
- Williams, C. (1980). S.T.A.R.: Social Training Achievement Record. Unpublished manuscript, Department of Psychology, Royal Western Counties Hospital, Starcross, Devon.