Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Ownership of United States Government Marketable Securities, by Maturity," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "July 1968," Federal Reserve Bulletin (July 1968) : 165-165. https://fraser.stlouisfed.org/title/62/item/21403/toc/144001 , accessed on June 27, 2024.