Cross, T., Johnson-Morris, J.E. & Nienhuys, T.G. (1980) Linguistic feedback and maternal speech, comparisons of mothers addressing hearing and hearing-impaired childrenFirst Language, 1, 163-189
2.
Gregory, S., Mogford, K. & Bishop, J (1979). Mothers' speech to young hearing-impaired children. J. Brit. Assn. Teachers of the Deaf, 3, 42-43.
3.
Gregory, S. & Mogford, K. (1981). Early language development in deaf children. In B. Woll, J. Kyle & M. Deuchar (eds), Perspectives on British Sign Language and Deafness (London : Croom Helm).
4.
Mogford, K. & Gregory, S (1980). Achieving understanding: a study of communication between mothers and their young deaf children Paper given to the British Psychological Society Developmental Section Annual Conference , Edinburgh, September