Board of Governors of the Federal Reserve System (U.S.), 1935-
and Federal Reserve Board, 1914-1935. Letter From the Fiscal Agent re Expense Main Line, Leased Wire System, for the Month of June, 1921, Number X-2010, Volume 15, Page 751,
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/511399, accessed on September 9, 2026.