United States. Bureau of the Budget and United States. Office of Management and Budget. "Receipts From and Payments to the Public (Consolidated Cash Basis)," in United States. Bureau of the Budget and United States. Office of Management and Budget. "Fiscal Year Ending June 30, 1968," Budget of the United States Government (January 24, 1967) : 42-42. https://fraser.stlouisfed.org/title/54/item/19021/toc/408838 , accessed on April 19, 2024.