Board of Governors of the Federal Reserve System (U.S.), 1935-
and Federal Reserve Board, 1914-1935. Letter From the Deputy Fiscal Agent re Expense of Main Line, Leased Wire System, June, 1939, Number R-502, Volume 51, Page 6,
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/507374, accessed on September 10, 2026.