Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Secretary Morrill re Classification Method in Future of Depreciation in Securities in Reports of Examination, Number S-113, Volume 49, Page 330, 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/507196, accessed on March 8, 2026.