1. Berrick, J. D. (1997). Assessing quality of care in kinship and foster family care. Family Relations, 46, 273–281.
2. Berrick, J. D., Needell, B., Barth, R., & Jonson-Reid, M. (1998). The tender years: Toward developmentally sensitive child welfare services for very young children. New York: Oxford University Press.
3. Child Welfare Research Center (2006). Child Welfare Services (CWS/CMS) Reports Performance Indicators Project. Children in Child Welfare Supervised by Placement Type. http://cssr.berkeley.edu/cwscmsreports/ (accessed March 3rd, 2006).
4. Courtney, M. E. (1994). Factors associated with the reunification of foster children with their families. Social Service Review, 68(1), 81–108.
5. Dore, M., & Kennedy, K. (1981). Two decades of turmoil: Child Welfare Services, 1960–1980. Child Welfare, 60, 371–382.