Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Holdings of Discounted Bills, By Classes," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "December 1921," Federal Reserve Bulletin (December 1921) : 101-102. https://fraser.stlouisfed.org/title/62/item/20530/toc/149962 , accessed on May 11, 2024.