United States. Bureau of the Budget and United States. Office of Management and Budget. "Budget Outlays by Function," in United States. Bureau of the Budget and United States. Office of Management and Budget. "Fiscal Year 1983," Budget of the United States Government (February 8, 1982) : 587-595. https://fraser.stlouisfed.org/title/54/item/19037/toc/272511 , accessed on May 4, 2024.