Board of Governors of the Federal Reserve System (U.S.), 1935-. "Multi - Family Residential Mortgages, Seasonally Adjusted Annual Rates," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "November 19, 1981," Z.1 Financial Accounts of the United States (1981-11-19) : 45-45. https://fraser.stlouisfed.org/title/93/item/69057/toc/481152 , accessed on March 29, 2024.