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. "July 1950," Federal Reserve Bulletin (July 1950) : 99-99. https://fraser.stlouisfed.org/title/62/item/21187/toc/158233 , accessed on April 18, 2024.