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. "February 2002," Federal Reserve Bulletin (February 2002) : 102-102. https://fraser.stlouisfed.org/title/62/item/20957/toc/178414 , accessed on April 25, 2024.