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 1960," Federal Reserve Bulletin (April 1960) : 40-40. https://fraser.stlouisfed.org/title/62/item/21304/toc/224650 , accessed on March 28, 2024.