United States. Office of Management and Budget. "Federal Borrowing and Debt," in United States. Office of Management and Budget. "Fiscal Year 2003," Budget of the United States Government - Analytical Perspectives (February 4, 2002) : 271-283. https://fraser.stlouisfed.org/title/425/item/7283/toc/46877 , accessed on April 19, 2024.