Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Asst. Secretary Noell re Code Words Incidental to Telegraphic Purchases and Sales of U. S. Certificates of Indebtedness and Treasury Notes, Number X-3893, Volume 19, Page 910, 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/502016, accessed on March 8, 2026.