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, August, 1931, Number X-6969, Volume 35, Page 380,
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/504529, accessed on March 3, 2026.