Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Asst. Secretary Bethea re Ruling by the Treasury Department on Investment in U. S. Savings Bonds by Common Trust Funds, Number S-406, Volume 55, Page 388, 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/509699, accessed on October 8, 2026.