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. "June 1952," Federal Reserve Bulletin (June 1952) : 91-91. https://fraser.stlouisfed.org/title/62/item/21210/toc/432146 , accessed on April 18, 2024.