United States. Bureau of the Budget and United States. Office of Management and Budget. "Summary of Foreign Currency Transactions - U.S. Uses," in United States. Bureau of the Budget and United States. Office of Management and Budget. "Fiscal Year Ending June 30, 1963," Budget of the United States Government (January 18, 1962) : 354-354. https://fraser.stlouisfed.org/title/54/item/19016/toc/128062 , accessed on April 23, 2024.