Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "U.S. Government Marketable Securities - Ownership, by Maturity," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "October 1977," Federal Reserve Bulletin (October 1977) : 132-132. https://fraser.stlouisfed.org/title/62/item/20435/toc/221072 , accessed on April 19, 2024.