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. "August 1962," Federal Reserve Bulletin (August 1962) : 107-107. https://fraser.stlouisfed.org/title/62/item/21332/toc/349662 , accessed on April 24, 2024.