Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Secretary Morrill re Effective Date Fixed of Definition of Interest, in Secretary 1(f) of Regulation Q, Number X-9763, Volume 45, Page 306, 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/506544, accessed on March 8, 2026.