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. "July 1994," Federal Reserve Bulletin (July 1994) : 141-141. https://fraser.stlouisfed.org/title/62/item/20866/toc/417448 , accessed on April 30, 2024.