1. Ten centers;Whittemore,1970
2. A scale for assessing suicide risk of attempted suicides;Tuckman;J. Clin. Psychol.,1968
3. The sociology of suicide prevention;Maris;Soc. Forces,1969
4. Characteristics of those who call the suicide prevention and crisis service of Buffalo;Lester;Crisis Intervention,1969
5. Steps toward the evaluation of a suicide prevention center;Lester;Crisis Intervention,1970