1. Emotions as a cause of cancer: eighteenth and nineteenth century contributions;Kowal;Psa rev.,1955
2. Personality as a factor in the pathogenesis of cancer. A review of the literature;Leshan;Brit. J. Med. Psychol.,1956
3. Psychosomatische faktoren und der Krebs;Tromp;Die Mediscinze.,1955
4. Psychosomatische faktoren und neoplasien;Petschke;Z. Psycho. Som. Med.,1946
5. Personality states as factors in the development of malignant disease: a critical review;Leshan;J. Nat. Ca. Inst.,1959