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. "April 1965," Federal Reserve Bulletin (April 1965) : 62-62. https://fraser.stlouisfed.org/title/62/item/21364/toc/63491 , accessed on March 28, 2024.