Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From the Secretary re Questionnaire re Exercise of Trust Powers by National Banks, Number X-3224, Volume 15, Page 1103, 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/511463, accessed on October 10, 2026.