Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Federal Reserve Holdings of U.S. Government Securities," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "1968," Annual Report of the Board of Governors of the Federal Reserve System (1968) : 370-371. https://fraser.stlouisfed.org/title/117/item/2423/toc/70307 , accessed on April 23, 2024.