Board of Governors of the Federal Reserve System (U.S.), 1935-. "Mortgage Debt Outstanding, by Type of Holder and Type of Property," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1982," Annual Statistical Digest (December 1983) : 120-121. https://fraser.stlouisfed.org/title/7/item/23509/toc/366102 , accessed on May 4, 2024.