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 1949," Federal Reserve Bulletin (May 1949) : 91-91. https://fraser.stlouisfed.org/title/62/item/21173/toc/418713 , accessed on April 18, 2024.