United States. Bureau of the Budget and United States. Office of Management and Budget. "Charting a Course for the New Era of Surplus," in United States. Bureau of the Budget and United States. Office of Management and Budget. "Fiscal Year 2000," Budget of the United States Government (February 1, 1999) : 16-21. https://fraser.stlouisfed.org/title/54/item/19039/toc/117210 , accessed on May 4, 2024.