Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Commercial Paper and Bankers' Dollar Acceptances Outstanding," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1993," Federal Reserve Bulletin (April 1993) : 154-154. https://fraser.stlouisfed.org/title/62/item/20851/toc/133799 , accessed on September 22, 2023.