American Psychiatric Association. (1987). Diagnostic and Statistical Manual of Mental Disorders (3rd edn revised). American Psychiatric Association: Washington, DC.
August, G. J., Stewart, M. A. & Tsai, L. (1981). The incidence of cognitive disabilities in the siblings of autistic children. British Journal of Psychiatry 138, 416–422.
Baltaxe, C. (1977). Pragmatic deficits in the language of autistic adolescents. Journal of Pediatric Psychology 2, 176–180.
Baron, M., Gruen, R., Rainer, J. D., Kane, J., Asnis, L. & Lord, S. (1985). A family study of schizophrenic and normal control probands: implications for the spectrum concept of schizophrenia. American Journal of Psychiatry 142, 447–455.
Baron-Cohen, S. (1988). Social and pragmatic deficits in autism: cognitive or affective? Journal of Autism and Developmental Disorders 18, 379–402.
Bartak, L., Rutter, M. & Cox, A. (1975). A comparative study of infantile autism and specific developmental receptive language disorder. I. The children. British Journal of Psychiatry 126, 127–145.
Cantwell, D., Baker, L. & Rutter, M. (1978). Family factors. In Autism: A Reappraisal of Concepts and Treatment (ed. Rutter, M. and Schopler, E.), pp. 269–296. Plenum Press: New York.
Cox, A., Rutter, M., Newman, S. & Bartak, L. (1975). A comparative study of infantile autism and specific developmental receptive language disorder. II. Parental characteristics. British Journal of Psychiatry 126, 146–159.
Creak, M. & Ini, S. (1960). Families of psychiatric children. Journal of Child Psychology and Psychiatry 1, 156–175.
Dewey, M. & Everard, M. (1974). The near normal autistic adolescent. Journal of Autism and Childhood Schizophrenia 4, 348–356.
Eisenberg, L. (1957). The fathers of autistic children. American Journal of Orthopsychiatry 127, 715–724.
Folstein, S. & Rutter, M. (1977). Infantile autism: a genetic study of 21 twin pairs. Journal of Psychology and Psychiatry 18, 297–331.
Folstein, S. & Rutter, M. (1988). Autism: Familial aggregation and genetic implications. Journal of Autism and Developmental Disorders 18, 3–30.
Grice, H. P. (1975). Logic and conversation. In Syntax and Semantics: Speech Acts (ed. Cole, R. and Morgan, J.), pp. 41–58. Academic Press: New York.
Hobson, P. (1989). Beyond cognition: a theory of autism. In Autism: Nature Diagnosis and Treatment (ed. Dawson, G.), pp. 22–48. Guilford Press: New York.
Kanner, L. (1943). Autistic disturbances of affective contact. Nervous Child 2, 217–250.
Kanner, L. & Lesser, L. (1958). Early Infantile Autism. The Pediatric Clinics of North America. Philadelphia: W. B. Saunders Co.
Kolvin, I., Garside, R. & Kidd, J. (1971). Studies in the childhood psychoses. III. The family and social background in childhood psychoses. British Journal of Psychiatry 118, 403–406.
Lahey, M. (1988). Language Disorders and Language Development. Macmillan: New York.
Landa, R., Isaacs, C. & Folstein, S. E. (1992). Spontaneous narrative discourse performance of parents of autistic individuals. Journal of Speech and Hearing Research (in the press).
LeCouteur, A., Rutter, M., Lord, C., Rios, P., Robertson, S., Holdgrafer, M. & McLennan, J. (1989 a). Autism diagnostic interview: a standardized investigator-based instrument. Journal of Autism and Developmental Disorders 19, 363–387.
LeCouteur, A., Bailey, A., Rutter, M. & Gottesman, I. (1989 b). Epidemiologically based twin study of autism.First World Congress on Psychiatric Genetics:Cambridge, England.
Lomas, J., Pickard, L., Bester, S., Elbard, H., Finlayson, A. & Zoghaib, C. (1989). The communicative effectiveness index: development and psychometric evaluation of a functional communication measure for adult aphasia. Journal of Speech and Hearing Disorders 54, 113–123.
Lord, C., Rutter, M., Goode, S., Heemsbergen, J., Jordan, H., Mawhood, L. & Schopler, E. (1989). Autism diagnostic observation schedule: a standardized observation of communicative and social behaviour. Journal of Autism and Developmental Disorders 19, 185–212.
Loveland, K., Landry, S., Hughes, S., Hall, S. & McEvoy, R. (1988). Speech acts and the pragmatic deficits of autism. Journal of Speech and Hearing Research 31, 593–604.
McAdoo, W. & DeMeyer, M. (1978). Personality characteristics of parents. In Autism: A Reappraisal of Concepts and Treatments (ed. Rutter, M. and Schopler, E.), pp. 251–267. Plenum Press: New York.
Piven, J., Landa, R., Wzorek, M., Gayle, J., Cloud, D., Chase, G., Costa, P. & Folstein, S. (1989). Personality characteristics and psychiatric disorder in the relatives of autistic individuals.Paper presented at the First World Congress on Psychiatric Genetics,Cambridge, England.
Piven, J., Gayle, J., Chase, G., Fink, B., Landa, R., Wzorek, M. & Folstein, S. (1990). A family history study of neuropsychiatric disorders in the adult siblings of autistic individuals. Journal of the American Academy of Child and Adolescent Psychiatry 29, 177–184.
Prutting, C. & Kirchner, D. (1987). A clinical appraisal of the pragmatic aspects of language. Journal of Speech and Hearing Disorders 52, 105–119.
Reiss, A. L., Hagerman, R. J., Vinogoradov, S., Abrams, M. & King, R. (1988). Psychiatric disability in female carriers of the fragile X chromosome. Archives of General Psychiatry 45, 25–30.
Rosenberg, R. (1986). Neurogenetics. Raven Press: New York.
Roth, F. P. & Spekman, N. J. (1984). Assessing the pragmatic abilities of children. 2. Guidelines, considerations, and specific evaluation procedures. Journal of Speech and Hearing Disorders 49, 12–17.
Snow, C. (1972). Mothers' speech to children learning language. Child Development 43, 549–565.
Wechsler, D. (1981). Wechsler Adult Intelligence Scale – Revised. Psychological Corporation: New York.
Wolff, S., Naryan, S. & Moyes, B. (1988). Personality characteristics of parents of autistic children: a controlled study. Journal of Child Psychiatry 29, 143–153.