Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Confidential Letter From the Secretary of the Treasury re Regulations Relative to Issuance, Redemption, Retirement, etc., of Federal Reserve Notes, Number X-7365, Volume 38, Page 71, 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/504954, accessed on May 18, 2026.