Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Federal National Mortgage Association Activity," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "September 1966," Federal Reserve Bulletin (September 1966) : 111-111. https://fraser.stlouisfed.org/title/62/item/21381/toc/261896 , accessed on March 28, 2024.