Comprises articles marked with different numbers, and ordered, numbered and indexed by SHF:
PP/SHF/F/9/28/1: "Group-analytic observation as indicator for psycho-analytic treatment", International Journal of Psycho-analysis, 35:2, 1954.
PP/SHF/F/9/28/2: "Group-analytic psychotherapy: a short account", Acta Psychotherapeutica, 3:4, 1955.
PP/SHF/F/9/28/3: "Group-analytic dynamics with specific reference to psychoanalytic concepts", The International Journal of Group Psychotherapy, 7:1, 1957.
PP/SHF/F/9/28/4: "Out-patient psychotherapy: a contribution towards a new approach", International Journal of Social Psychiatry, 3:1, 1957.
PP/SHF/F/9/28/5: "Psychoanalysis, group psychotherapy, group analysis: a bird's eye view of present trends", Acta Psychotherapeutica, 7:2-3,1959.
PP/SHF/F/9/28/6: "The application of group concepts to the treatment of the individual in the group", Topical Problems of Pyschotherapy, 2, 1960.
PP/SHF/F/9/28/7: "Algunas observaciones sobre la ensenanza de psicoterapia", Psiquiatria Y Psicologia Medica de Europa Y America Latinas, 8: 5, 1960.
PP/SHF/F/9/28/8: "Theoretische und praktische Grundlagen der analytischen Gruppenpsychotherpaie", Zeitschrit fur Psychotherapie und Medizinische Psychologie, 6, 1960.
PP/SHF/F/9/28/9: "Group processes and the individual in the therapeutic group", British Journal of Medical Psychology, 34, 1961.
PP/SHF/F/9/28/10: "Psychotherapy 1961", British Journal of Medical Psychology, 34, 1961.
PP/SHF/F/9/28/11: "The position of group analysis today, with special reference to the role of this society: extracts from an address given to the Group Analytic Society on 31st January, 1955", Group Analytic Society (London) News and Views, 1, 1961.