Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Copy of Opinion in Case of Transcontinental Oil Company vs. Federal Reserve Bank of Minneapolis, Number X-4898, Volume 27, Page 48, 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/503168, accessed on April 12, 2026.