1. The Eysenck Personality Inventory in chronic schizophrenia;Al-Issa;British Journal of Psychiatry,1964
2. Blutgruppen und Personlichkeit;Angst;Archiv Für Psychiatrie und Nervenkrankheiten,1974
3. Extraversion-introversion and neuroticism in first offenders and recidivists;Bartholomew;British Journal of Delinquency,1959
4. A psychological-statistical study of neuroticism and extraversion in patients with myocardial infarction;Bendien;Journal of Psychosomatic Research,1963
5. The human factor in flying accidents;Biesheuvel;South African Air Force Journal,1949