Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Secretary Morrill re Excess or Marginal Collateral, Clarification of Board's Requirements re Reporting Under Regulation A, Number S-44, Volume 47, Page 483, 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/506903, accessed on July 20, 2026.