United States. Bureau of the Budget and United States. Office of Management and Budget. "Summary of Changes in Status of Public Debt," in United States. Bureau of the Budget and United States. Office of Management and Budget. "Fiscal Year Ending June 30, 1960," Budget of the United States Government (January 19, 1959) : 85-85. https://fraser.stlouisfed.org/title/54/item/19013/toc/83121 , accessed on April 19, 2024.