Alanen, Y., Arajarvi, T., & Viitamaki, R. Psychoses in childhood.Acta Psychiatrica Scandinavica Supplement, 1964,174, 5–30.
Allen, J., DeMyer, M., Norton, J., Pontius, W., & Yang, E. Intellectuality in parents of psychotic, subnormal and normal children.Journal of Autism and Childhood Schizophrenia, 1971,1, 311–326.
Anthony, J. An experimental approach to the psychopathology of childhood: Autism.British Journal of Medical Psychology, 1958,31, 211–225.
Bender, L., & Grugett, A. E. A study of certain epidemiological problems in a group of children with childhood schizophrenia.American Journal of Orthopsychiatry, 1956,26, 131–145.
Birch, H. G., Richardson, S. A., Baird, D., Horobin, G., & Illsley, R.Mental subnormality in the community: A clinical and epidemiologic study. Baltimore: Williams and Wilkins, 1970.
Brask, B. H. A prevalence investigation of childhood psychoses. InNordic symposium on the care of the psychotic children. Oslo: Barnepsykatrist Forening, 1972.
Campbell, M., Hardesty, A. S., & Burdock, E. I. Demographic and perinatal profile of 105 autistic children: A preliminary report.Psychopharmacology Bulletin, 1978,14, 36–39.
Cantwell, D. P., Baker, L., & Rutter, M. Family factors. In M. Rutter & E. Schopler (Eds.),Autism: A reappraisal of concepts and treatment. New York: Plenum Press, 1979.
Cox, A., Rutter, M., Newman, S., & Bartak, L. A comparative study of infantile autism and specific developmental receptive language disorder: II. Parental characteristics.British Journal of Psychiatry, 1975,126, 146–159.
Creak, M., & Ini, S. Families of psychotic children.Journal of Child Psychology and Psychiatry, 1960,1, 156–175.
Davids, A. Intelligence in childhood schizophrenics, other emotionally disturbed children, and their mothers.Journal of Consulting Psychology, 1958,22, 159–163.
DeMyer, M. K., Barton, S., DeMyer, W. E., Norton, J. A., Allen, J., & Steele, R. Prognosis in autism: A follow-up study.Journal of Autism and Childhood Schizophrenia, 1973,3, 199–246.
Florsheim, J., & Peterfreund, O. The intelligence of parents of psychotic children.Journal of Autism and Childhood Schizophrenia, 1974,4, 61–70.
Hollingshead, A., & Redlich, F.Social class and mental illness. New York: Wiley, 1958.
Iowa Development Commission.Statistical profile of Iowa. Iowa Governor's Office, 1980.
Kanner, L. Autistic disturbances of affective contact.Nervous Child, 1943,2, 217–250.
Kolvin, I., Ounsted, C., Richardson, L., & Garside, R. Studies in the childhood psychoses. III. The family and social background in childhood psychoses.British Journal of Psychiatry, 1971,118, 396–402.
Lemkau, P., Tietz, C., & Cooper, M. Mental-hygiene problems in an urban district. Fourth paper.Mental Hygiene, 1943,27, 279–295.
Lewis, E. O.The report of the Mental Deficiency Committee being a joint committee of the Board of Education and Board of Control: Part IV-Report on an investigation into the incidence of mental deficiency in six areas, 1925–1927. London: HMSO, 1929.
Lotter, V. Epidemiology of autistic conditions in young children. I. Prevalence.Social Psychiatry, 1966,1, 124–137.
Lotter, V. Epidemiology of autistic conditions in young children. II. Some characteristics of the parents and children.Social Psychiatry, 1967,1, 163–173.
Lowe, L. Families of children with early childhood schizophrenia.Archives of General Psychiatry, 1966,30, 173–179.
McDermott, J. F., Harrison, D. I., Schrager, J., Lindy, J., & Killins, E. Social class and mental illness in children — The question of childhood psychosis.American Journal of Orthopsychiatry, 1967,37, 548–447.
O'Moore, M. A study of the aetiology of autism from a study of birth and family characteristics.Journal of the Irish Medical Association, 1972,65, 114–120.
Penrose, L. S. A clinical and genetic study of 1280 cases of mental defect (Colchester Survey). Special Report Series Medical Research Council, No. 229. London: HMSO, 1938.
Prior, M., Gajzago, C., & Knox, D. An epidemiology study of autistic and psychotic children in the four eastern states of Australia.Australian and New Zealand Journal of Psychiatry, 1976,10, 173–184.
Ritvo, E. R., Cantwell, D., Johnson, E., Clements, M., Benbrook, F., Slagle, S., Kelly, P., & Ritz, M. Social class factors in autism.Journal of Autism and Childhood Schizophrenia, 1971,1, 297–310.
Ritvo, E. R., & Freeman, B. J. Current research in the syndrome of autism: Introduction — The National Society for Autistic Children's definition of the syndrome of autism.Journal of the American Academy of Child Psychiatry, 1978,17, 565–575.
Rutter, M. The description and classification of infantile autism. In D. W. Churchill, G. D. Alpern, & M. K. DeMyer (Eds.),Infantile autism. Springfield, Illinois: Charles C Thomas, 1971.
Rutter, M. Infantile autism and other childhood psychoses. In M. Rutter & L. Henson (Eds.),Child psychiatry: Modern approach. Oxford: Blackwell, 1977.
Rutter, M., & Lockyer, L. A. Five to fifteen year follow-up study of infantile psychosis. I. Description of sample.British Journal of Psychiatry, 1967,113, 1169–1182.
Sabagh, G., Dingman, H. F., Tarjan, G., & Wright, S. W. Social class and ethnic status of patient admitted to a state hospital for the retarded.Pacific Sociology Review, 1959,2, 76–80.
Saenger, G. S.Factors influencing the institutionalization of mentally retarded individuals in New York City. Report to the New York Interdepartmental Health Resources Board, 1960.
Schain, R. J., & Yannet, H. Infantile autism: An analysis of fifty cases and a consideration of certain neurophysiologic concepts.Journal of Pediatrics, 1960,57, 560–567.
Schopler, E., Andrews, C. E., & Strupp, K. Do autistic children come from upper-middle-class parents?Journal of Autism and Developmental Disorders, 1979,9, 139–152.
Schopler, E., Reichler, R. J., DeVellis, R. F., & Daly, K. Toward objective classification of childhood autism: Childhood Autism Rating Scale (CARS).Journal of Autism and Developmental Disorders, 1980,10, 91–103.
Treffert, D. Epidemiology of infantile autism.Archives of General Psychiatry, 1970,22, 431–438.
Tsai, L., Stewart, M. A., & August, G. Implication of sex differences in the familial transmission of infantile autism.Journal of Autism and Developmental Disorders, 1981,11, 165–173.
United States Department of Commerce, Bureau of the Census.Statistical abstract of the United States: 1970. Washington, D.C.: U.S. Government Printing Office, 1970.
Ward, T. F., and Hoddinott, B. A. A study of childhood schizophrenia and early infantile autism. I. Description of the sample.Canadian Psychiatric Association Journal, 1965,10, 377–386.
Wing, L. Childhood autism and social class: A question of selection.British Journal of Psychiatry, 1980,137, 410–417.
Wing, L., & Gould, J. Severe impairments of social interaction and associated abnormalities in children: Epidemiology and classification.Journal of Autism and Developmental Disorders, 1979,9, 11–29.
Wolff, S., & Chess, S. A behavioral study of schizophrenic children.Acta Psychiatrica Scandinavica, 1964,40, 438–466.