Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Confidential Letter From Asst. Secretary McClelland re New Counterfeit $500 Gold Certificate, Number X-6690, Volume 33, Page 127, 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/504180, accessed on May 11, 2026.