Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Asst. Secretary Bethea re Use of Preferred Stock or Debentures by Banks in Obtaining Funds, Number X-7594, Volume 39, Page 250, 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/505191, accessed on March 10, 2026.