Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Bond and Stock Yields," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1956," Federal Reserve Bulletin (April 1956) : 48-48. https://fraser.stlouisfed.org/title/62/item/21256/toc/164012 , accessed on March 29, 2024.