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Leo Srole, Measurement and Classification in Socio-Psychiatric Epidemiology: Midtown Manhattan Study (1954) and Midtown Manhattan Restudy (1974), Journal of Health and Social Behavior, Vol. 16, No. 4, Special Issue on "Recent Developments in the `Sociology of Mental Illness'" (Dec., 1975), pp. 347-364
Leo Srole (Mon,) studied this question.