Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Volume of Operations in Principal Departments of Federal Reserve Banks," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "1956," Annual Report of the Board of Governors of the Federal Reserve System (1956) : 83-83. https://fraser.stlouisfed.org/title/117/item/2438/toc/86717 , accessed on April 19, 2024.