Board of Governors of the Federal Reserve System (U.S.), 1935-
and Federal Reserve Board, 1914-1935. Letter From Asst. Secretary McClelland re Code Words to Cover Telegraphic Transactions in Treasury Bonds and Certificates of Indebtedness, Number X-6955, Volume 35, Page 330,
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/504517, accessed on February 28, 2026.