Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Total Debt, by Type of Security," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "November 1967," Federal Reserve Bulletin (November 1967) : 106-106. https://fraser.stlouisfed.org/title/62/item/21395/toc/122919 , accessed on April 17, 2024.