1. Cohen, J. & Streuning, E. L. Opinions about mental illness in the personnel of two large mental hospitals. Journal vf Abnormal and Social P s ~ ~ h o l o g y , 1962. 64, 349-360.
2. Cumming. E. & Cumming. J. Closed ranks. Cambridge: Harvard University Press. 1957.
3. Durkin, R. P. Attirudes concerning the etiology of mental illness. Doctoral dissertation, Columbia University, 1964.
4. Gilbert, D. C. & Levinson, D. J . Ideology, personality and inst~tutional policy in the mental hospital. Journal of Abnormal and Social Psycho 1og.r. 1956.53, 263-27 1.
5. Hollingshead, A. B. & Redlich. F. C. Socialclass and mental illness. New York: Wiley. 1958.