Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Letter From Secretary Morrill re Treatment of Leaves of Absence Prior to March 1, 1934 in Determining Prior Service of Employees Under Retirement System, Number X-7858, Volume 40, Page 209, 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/505443, accessed on October 17, 2026.