1. Andics, M. v.: Über Sinn und Sinnlosigkeit des Lebens. Wien: Gerold 1938.
2. Annual Epidemiological and Vital Statistics 1955. July 1958, 432–433, World Health Organization Geneva.
3. Bakwin, H.: Suicide in Children and Adolescents. J. Pediatrics 50, 749–769 (1957).
4. Banen, D. M.: Suicide by Psychotics. J. nerv. ment. Dis. 120, 349–357 (1954).
5. Batchelor, I. R. V., and B. N. Napier: Broken Homes and Attempted Suicide. Brit. J. Delinq. 4, 1–10 (1953).