Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Volume of United States Bonds and Notes Purchased, by Months," 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) : 228-228. https://fraser.stlouisfed.org/title/117/item/2479/toc/177395 , accessed on July 8, 2024.