United States. Bureau of the Budget and United States. Office of Management and Budget. "Summary of Estimates and Appropriations for Public Works," in United States. Bureau of the Budget and United States. Office of Management and Budget. "Fiscal Year Ending June 30, 1932," Budget of the United States Government (December 1, 1930) : 185-189. https://fraser.stlouisfed.org/title/54/item/18975/toc/314406 , accessed on April 26, 2024.