Report of Expense, Main Line, Federal Reserve Leased Wire System, June 1920, Number X-1981, Volume 13, Page 673
Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Report of Expense, Main Line, Federal Reserve Leased Wire System, June 1920, Number X-1981, Volume 13, Page 673, . Board of Governors of the Federal Reserve System (U.S.), 1935-. https://fraser.stlouisfed.org/archival/4957/item/511047, accessed on April 27, 2024.