Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Confidential Letter From Mr. Emerson, Asst. to Governor, re Amendment of Instructions with Respect to Exchanges, Replacement, and Redemption of United States Paper Currency, Number X-3049, Volume 14, Page 185, 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/511252, accessed on May 20, 2026.