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-. "May 15, 1978," Z.1 Financial Accounts of the United States (1978-05-15) : 47-47. https://fraser.stlouisfed.org/title/93/item/69072/toc/479142 , accessed on April 19, 2024.