Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Summary of Federal Fiscal Operations," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1957," Federal Reserve Bulletin (May 1957) : 51-51. https://fraser.stlouisfed.org/title/62/item/21269/toc/168874 , accessed on April 25, 2024.