Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Bond Yields," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "June 1939," Federal Reserve Bulletin (June 1939) : 57-57. https://fraser.stlouisfed.org/title/62/item/21014/toc/273249 , accessed on April 25, 2024.