Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From the Acting Governor re Currency Shipments, Preparation and Mailing, Number X-3693, Volume 18, Page 272, 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/501823, accessed on September 6, 2026.