Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Interest Rates on Savings Bonds," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "March 1957," Federal Reserve Bulletin (March 1957) : 23-24. https://fraser.stlouisfed.org/title/62/item/21267/toc/388946 , accessed on April 23, 2024.