Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Asst. Secretary Noell re Operating Efficiency at the Federal Reserve Banks, Number St. 6249, Volume 30, Page 494, 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/503757, accessed on March 9, 2026.