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, May, 1940, Number R-666, Volume 52, Page 231,
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/509208, accessed on October 10, 2026.