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. "December 1997," Federal Reserve Bulletin (December 1997) : 123-123. https://fraser.stlouisfed.org/title/62/item/20907/toc/330634 , accessed on April 19, 2024.