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, September, 1930, Number X-6735, Volume 33, 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/504209, accessed on August 15, 2026.