Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Volume of Acceptances Bought in Open Market During Each Month, by Classes," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "1921," Annual Report of the Board of Governors of the Federal Reserve System (1921) : 213-213. https://fraser.stlouisfed.org/title/117/item/2479/toc/177388 , accessed on March 29, 2024.