Board of Governors of the Federal Reserve System (U.S.), 1935-
and Federal Reserve Board, 1914-1935. Letter From Asst. Secretary Noell re Substitution of Code Word in Federal Reserve Telegraphic Code, Number X-4554, Volume 24, Page 194,
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/502741, accessed on October 15, 2026.