Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Mortgage Debt Outstanding," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "July 1983," Federal Reserve Bulletin (July 1983) : 146-146. https://fraser.stlouisfed.org/title/62/item/20503/toc/329804 , accessed on May 13, 2024.