United States. Bureau of the Budget and United States. Office of Management and Budget. "Explanation of Functional Chart and Statement," in United States. Bureau of the Budget and United States. Office of Management and Budget. "Fiscal Year Ending June 30, 1935," Budget of the United States Government (January 3, 1934) : 51-52. https://fraser.stlouisfed.org/title/54/item/18978/toc/429232 , accessed on April 19, 2024.