Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Asst. Secretary Bethea re Certificates of Examiners of Federal Reserve Banks to Be Made Uniform, Number S-139, Volume 49, Page 397, 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/507222, accessed on September 8, 2026.