Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Required Reserve Against Issue of Notes, Number 496, Volume 2, Page 834, . Board of Governors of the Federal Reserve System (U.S.), 1935-. https://fraser.stlouisfed.org/archival/4957/item/510255, accessed on April 19, 2024.