Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Asst. Secretary Bethea re Amendment to Regulation K Setting Reserves of Foreign Banking Corporations at Percentage Required of Member Banks in Central Reserve Cities, Number S-21, Volume 47, Page 433, 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/506880, accessed on September 10, 2026.