United States. Bureau of the Budget and United States. Office of Management and Budget. "Differences between Current Services and the Budget: Outlays by Function," in United States. Bureau of the Budget and United States. Office of Management and Budget. "Fiscal Year 1985," Budget of the United States Government (February 1, 1984) : 546-546. https://fraser.stlouisfed.org/title/54/item/18991/toc/407015 , accessed on April 19, 2024.