Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Gross Public Debt of U.S. Treasury - Type and Ownership," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "June 1980," Federal Reserve Bulletin (June 1980) : 130-130. https://fraser.stlouisfed.org/title/62/item/20466/toc/44638 , accessed on May 14, 2024.