6David Stuart koitz, 1998Social Security Taxes Where Do Surplus Taxes Go and How Are They Used? CRS Report for Congress(94 - 593 EPW).
7David Stuart koitz, 1998 Concord Coalition Position Paper on Federal Budget Surpluses.
8David Stuart koitz, 1999 Social Security and the Federal Budget What Does Social Security's Being "Off Budget" Mean? CRS Report for Congress (98-422EPW)
9Congressional Budget office. 1999 Social Security and Medicare Boards of Trustees A MESSAGE TO THE PUBLIC : Status of the Social Security and Medicare Programs A SUMMARY OF THE 1999 ANNUAL REPORTS
10Congressional Budget 2005. Office Social Insurance and Human Services U. S. Census Bureau, Statistical Abstract of the United States: 2004--2005.
