1. Social class and the treatment of alcoholism: An investigation of social class as a determinant of diagnosis, prognosis and therapy;Schmidt,1968
2. Social Class and the Mortality of Clinically Treated Alcoholics
3. Social Class and Mental Illness;Hollingshead,1958
4. M. J. Ashley, J. S. Olin, W. H. le Riche, A. Kornaczewski, W. Schmidt and J. G. Rankin, Arch. Intern. Med., in press.
5. Statistical Methods;Snedecor,1967