United States. General Accounting Office
United States. Congress. House. Committee on the Budget. Task Force on Entitlements, Uncontrollables, and Indexing.
National Research Council and Institute of Medicine
National Academies of Sciences, Engineering, and Medicine
Unknown Author
United States. Congress. House. Committee on Education and Labor. Subcommittee on Human Resources.
Peter A. Morrison
United States. Congress. House. Select Committee on Children, Youth, and Families
United States. Congress. Senate. Committee on Labor and Public Welfare. Subcommittee on Health Legislation
United States. Congress. House. Committee on Education and Labor
United States. Congress. House. Committee on Education and Labor (2007)
California State Department of Education
United States. Congress. House. Committee on the Budget. Task Force on Human Resources.