Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Federal Fiscal Operations: Summary," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1971," Federal Reserve Bulletin (April 1971) : 139-139. https://fraser.stlouisfed.org/title/62/item/21436/toc/98894 , accessed on March 28, 2024.