Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Changes in Rates of Certificates of Indebtedness, Number X-3072, Volume 14, Page 312, 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/511274, accessed on May 12, 2026.