Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Secretary Morrill re Directors of Federal Reserve Banks Prohibited From Serving Branch Banks by Amendment to Board of Governors Regulations, Number S-180, Volume 51, Page 281, 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/507472, accessed on August 16, 2026.