Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Asst. Secretary Bethea re Revised Pages of the Manual of Instructions for Preparing Expense Reports, Number R-591, Volume 52, Page 6, 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/509133, accessed on September 13, 2026.