Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "History of Reserve Requirements for Banks in the United States," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "November 1938," Federal Reserve Bulletin (November 1938) : 17-36. https://fraser.stlouisfed.org/title/62/item/21007/toc/400105 , accessed on April 19, 2024.