1. Beisser, A. K., and Blanchette, J. E.: A study of suicides in a mental hospital. Dis. Nerv. Sys., 22: 365–369, 1961.
2. Cohen, Earl: Instrument for the evaluation of suicidal potential. In: The Myth of the Suicide Gestude. Golden Gate Medical Clinic for Psychotherapy. San Francisco. 1965.
3. Dublin, L.: Suicide: A Sociological and Statistical Study. ronald Press, New York. 1963.
4. Miller, D., and Day, F.: Suicidal behavior among patients on leave of absence from a mental hospital: an abstract of a monograph. Dept. of Mental Hygiene. Northern Region Bureau of Social Work. California. 1963.
5. Schneidman, E. S., and Faberow, N. L.: Clues to suicide. Public Health Repts. (U.S.) 71. 1956.