Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From the Fiscal Agent re Expense of Main Line, Leased Wire System, July 1925, Number X-4406, Volume 23, Page 123, 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/502578, accessed on August 18, 2026.