Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Delinquency Rates on Home Mortgages," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "July 1971," Federal Reserve Bulletin (July 1971) : 144-144. https://fraser.stlouisfed.org/title/62/item/21439/toc/426764 , accessed on March 29, 2024.