Board of Governors of the Federal Reserve System (U.S.), 1935-. "Federal debt subject to statutory limit-Types and ownership," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1982," Annual Statistical Digest (December 1983) : 104-104. https://fraser.stlouisfed.org/title/7/item/23509/toc/366088 , accessed on March 29, 2024.