Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Asst. Secretary Carpenter re Safekeeping of Treasury Bills and Certificates of Indebtedness by Federal Reserve Banks for Nonmember Banks to Be Permitted, Number S-569, Volume 57, Page 122, 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/509913, accessed on March 12, 2026.