“…A useful way to accomplish this would be by a national or local 'Psychotherapy Patient Register ' (of course, maintaining the appropriate levels of confidentiality). It is a technically feasible task, as demonstrated by ongoing registers for general psychiatric patients set up in Monroe County, New York (Gardner et al, 1963;Babigian, 1972), in Salford, England (Adelstein et al, 1968), in Camberwell, London (Wing & Hailey, 1972 and in Denmark (Dupont et al, 1974).…”