Ambelas, A. (1992) Preschizophrenics: adding to the evidence, sharpening the focus. British Journal of Psychiatry, 160, 401–403.
American Psychiatric Association (1980) Diagnostic and Statistical Manual of Mental Disorders (3rd edn) . Washington, DC: APA.
American Psychiatric Association (1987) Diagnostic and Statistical Manual of Mental Disorders (3rd edition, revised) . Washington, DC: APA.
Berenbaum, H. & Fujita, F. (1994) Schizophrenia and personality: exploring the boundaries and connections between vulnerability and outcome. Journal of Abnormal Psychology, 103, 148–158.
Chapman, L. J., Chapman, J. P., Kwapil, T. R., et al (1994) Putatively psychosis-prone subjects 10 years later. Journal of Abnormal Psychology, 103, 171–183.
Cooper, J. E., Kendell, R. E., Gurland, B. J., et al (1972) Psychiatric Diagnosis in New York and London: A Comparative Study of Mental Hospital Admissions. London: Oxford University Press.
David, A. S., Malmberg, A., Brandt, L., et al (1997) IQ and risk for schizophrenia: a population-based cohort study. Psychological Medicine, 27, 1311–1323.
Done, J. D., Crow, T. J., Johnstone, E. C., et al (1994) Childhood antecedents of schizophrenia and affective illness: social adjustment at ages 7 and 11. British Medical Journal, 309, 699–703.
Fenton, W. S. & McGlashan, T. H. (1989) Risk of schizophrenia in character disordered patients. American Journal of Psychiatry, 146, 1280–1284.
Gardner, G. G. (1967) The relationship between childhood neurotic symptomatology and later schizophrenia in males and females. Journal of Nervous and Mental Disease, 2, 97–100.
Hanson, D. R., Gottesman, I. I. & Heston, L. L. (1990) Long-range schizophrenia forecasting: many a slip twixt cup and lip. In Risk and Protective Factors in the Development of Psychopathology (ed. Rolf, J.), pp. 424–444. New York: Cambridge University Press.
Jones, P., Rodgers, B., Murray, R., et al (1994) Child development risk factors for adult schizophrenia in the British 1946 birth cohort. Lancet, 344, 1398–1402.
Kristjannson, E., Allebeck, P. & Wistedt, B. (1986) Validity of the diagnosis of schizophrenia in a psychiatric inpatient register. Nordisk Psychiatrica Tiddskrift, 43, 229–234.
Lewis, A. (1974) Psychopathic personality: a most elusive category. Psychological Medicine, 4, 133–140.
Lewis, G. & Appleby, L. (1988) Personality disorder: the patients psychiatrists dislike. British Journal of Psychiatry, 153, 44–49.
Malmberg, A., Lewis, G., David, A., et al (1998) Premorbid adjustment and personality in people with schizophrenia. British Journal of Psychiatry, 172, 308–313.
Robins, L. N. (1966) Deviant Children Grown Up: A Sociological and Psychiatric Study of Sociopathic Personality, Baltimore: Williams and Wilkins.
Tien, A. Y. & Eaton, W. W. E. (1992) Psychopathologic precursors and sociodemographic risk factors for the schizophrenia syndrome. Archives of General Psychiatry, 49, 37–44.
World Health Organization (1974) International Classification of Diseases (8th edn) . Geneva: WHO.