United States. Bureau of the Budget and United States. Office of Management and Budget. "Grand Totals," in United States. Bureau of the Budget and United States. Office of Management and Budget. "Fiscal Year Ending June 30, 1964," Budget of the United States Government (January 17, 1963) : 308-308. https://fraser.stlouisfed.org/title/54/item/19017/toc/269465 , accessed on May 3, 2024.