Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Secretary Morrill re Mimeographed Copies of Revised Regulation T, Number R-123, Volume 47, Page 297, 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/506841, accessed on June 21, 2026.