Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Summary of Holdings of Purchased and Discounted Acceptances," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1921," Federal Reserve Bulletin (April 1921) : 100-100. https://fraser.stlouisfed.org/title/62/item/20522/toc/7121 , accessed on March 28, 2024.