Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Governor, to Govs., Federal Reserve Banks, Feb. 27th. (Supplemental to Letter X-746), Quoting From Letter Received From Chief of Military Intelligence Branch, War Dept., Feb. 27th., Giving Suggestions for Detection, by Various Banks, of Accounts or Transactions Involving Enemy Funds, Number X-766, Volume 7, Page 208, 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/510975, accessed on March 9, 2026.