United States. Bureau of the Budget and United States. Office of Management and Budget. "Summary of General Expenditures, by Character and Objects of Expenditure," 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) : 146-148. https://fraser.stlouisfed.org/title/54/item/18978/toc/429248 , accessed on April 25, 2024.