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. "1957," Annual Report of the Board of Governors of the Federal Reserve System (1957) : 95-95. https://fraser.stlouisfed.org/title/117/item/2413/toc/34284 , accessed on May 4, 2024.