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. "March 1957," Federal Reserve Bulletin (March 1957) : 68-68. https://fraser.stlouisfed.org/title/62/item/21267/toc/388995 , accessed on April 25, 2024.