1. Operant behavior in the memory-disordered;Ankus;J. Gerontol.,1972
2. The OARS Durham surveys: Description and application;Blazer,1978
3. Social work and family relationships in later life with some thoughts on filial maturity;Blenkner,1965
4. Recent bereavement and suicide;Bunch;J. Psychosom. Res.,1972
5. Why Survive?;Butler,1973