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 for the Month of July, 1920, Number X-1999, Volume 13, Page 725, 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/511057, accessed on September 23, 2024.