Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Secretary Morrill re Inquiry Whether Meetings, December 4, 1939, Convenient to Chairmen, Number R-549, Volume 51, Page 146, 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/507421, accessed on March 11, 2026.