Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Postal Savings System," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "June 1955," Federal Reserve Bulletin (June 1955) : 61-61. https://fraser.stlouisfed.org/title/62/item/21246/toc/116240 , accessed on May 4, 2024.