Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Proposed Revision of Reserve Requirements," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1958," Federal Reserve Bulletin (April 1958) : 43-45. https://fraser.stlouisfed.org/title/62/item/21280/toc/159327 , accessed on April 18, 2024.