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. "December 1969," Federal Reserve Bulletin (December 1969) : 95-95. https://fraser.stlouisfed.org/title/62/item/21420/toc/386513 , accessed on March 29, 2024.