Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Nonfarm Mortgage Recordings of $20,000 or Less," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "September 1961," Federal Reserve Bulletin (September 1961) : 56-56. https://fraser.stlouisfed.org/title/62/item/21321/toc/193804 , accessed on May 4, 2024.