Board of Governors of the Federal Reserve System (U.S.), 1935-. "Commercial Mortgages, Unadjusted Net Flows," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "August 30, 1978 : Revisions for 1972-77," Z.1 Financial Accounts of the United States (1978-08-30) : 46-46. https://fraser.stlouisfed.org/title/93/item/69132/toc/479362 , accessed on May 5, 2024.