Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Secretary to Federal Reserve Agents, Dec. 22, 1917, re Surplus Funds of Federal Reserve Banks, Number X-612, Volume 6, Page 3102, Mimeograph Letters and Statements of the Board. Board of Governors of the Federal Reserve System (U.S.), 1935-. https://fraser.stlouisfed.org/archival/4957/item/510875, accessed on October 15, 2026.