Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "United States Savings Bonds," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1952," Federal Reserve Bulletin (May 1952) : 59-59. https://fraser.stlouisfed.org/title/62/item/21209/toc/173647 , accessed on March 29, 2024.