Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Secretary Morrill Instructing That Telegrams Between Federal Reserve Banks and Branches to Be Sent Over Leased Wires Except Where Undesirable Circuitous Routing Is Involved, Number S-164, Volume 50, Page 417, 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/507367, accessed on September 15, 2026.