Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Bankers' Acceptances and Commercial Paper Outstanding," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "September 1928," Federal Reserve Bulletin (September 1928) : 19-19. https://fraser.stlouisfed.org/title/62/item/20681/toc/131346 , accessed on May 4, 2024.