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. "August 1988," Federal Reserve Bulletin (August 1988) : 106-106. https://fraser.stlouisfed.org/title/62/item/20795/toc/264663 , accessed on March 29, 2024.