Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Mortgage Activity of Savings and Loan Associations," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "December 1971," Federal Reserve Bulletin (December 1971) : 147-147. https://fraser.stlouisfed.org/title/62/item/21444/toc/202301 , accessed on April 25, 2024.