Beck, A. T., Ward, C. H., Mendelson, M., et al (1961) An inventory for measuring depression. Archives of General Psychiatry, 4, 561–571.
Beck, A. T., & Weissman, A. (1974) The measurement of pessimism: the hopelessness scale. Journal of Consulting and Clinical Psychology, 42, 861–865.
Beck, A. T., Steer, R. A., Kovacs, M., et al (1985) Hopelessness and eventual suicide: a 10-year prospective study of patients hospitalised with suicidal ideation. American Journal of Psychiatry, 142, 559–863.
Beck, A. T., Epstein, N., Brown, G., et al (1988) An inventory for measuring clinical anxiety. Journal of Consulting and Clinical Psychology, 56, 893–697.
Beck, A. T., Brown, G., Berchick, R. J., et al (1990) Relationship between hopelessness and ultimate suicide: a replication with psychiatric outpatients. American Journal of Psychiatry, 147, 190–195.
Dolan, B., Evans, C. & Norton, K. (1995) Multiple Axis-II diagnoses of personality disorder. British Journal of Psychiatry, 166, 107–112.
Dowson, J. H. & Berrios, G. E. (1991) Factor structure of the DSM–III–R personality disorders as shown by self-report questionnaire. Acta Psychiatrica Scandinavica, 84, 555–560.
Dowson, J. H. (1992) The assessment of DSM–III–R personality disorders by self report questionnaire: the role of informants and a screening test for co-morbid personality disorders (STCPD). British Journal of Psychiatry, 161, 344–352.
Holmes, J. & Marks, I. (1994) Psychotherapy - a luxury the NHS cannot afford?
British Medical Journal, 309, 1070–1072.
Hyler, S., Skodol, A. E., Kellman, H. D., et al (1990) Validity of the Personality Disorder Questionnaire–Revised: Comparison with two structured interviews. American Journal of Psychiatry, 147, 1043–1048.
Hyler, S., Skodol, A. E., & Oldham, J. M. (1992) Validity of the personality diagnostic questionnaire–revised: a replication in an outpatient sample. Comprehensive Psychiatry, 33, 73–77.
Hyler, S., & Reider, R. O. (1987) The Personality Diagnostic Questionnaire–Revised
New York: New York State Psychiatric Institute.
Kellner, R. & Sheffield, B. F. (1973) A self rating scale of distress. Psychological Medicine, 3, 88–100.
Shapiro, D. A., Barkham, M., Rees, A., et al (1994) The effects of treatment duration and severity on the effectiveness of cognitive–behavioural and psycho-dynamic-interpersonal psychotherapy. Journal of Consulting and Clinical Psychology, 62, 522–534.
Shea, M. T., Elkin, I., Imber, S. D., et al (1992) The course of depression over follow-up: findings from the National Institute of Mental Health Treatment of Depression Collaborative Research Program. Archives of General Psychiatry, 49, 782–787.
Zimmerman, M. & Coryell, W. H. (1990) Diagnosing personality disorder in the community. Archives of General Psychiatry, 47, 527–531.