1. The effects of maternal deprivation: a review of findings and controversy in the context of research strategy;Ainsworth,1962
2. The effects of daycare: a critical review;Belsky;Child Develpm.,1978
3. Recidivism in Foster Care;Block,1983
4. Maternal Care and Mental Health (World Health Organization Monograph);Bowlby,1952
5. What does research teach us about daycare: for children under three;Caldwell;Child. Today,1972