Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "GMNA Mortgage-Backed Security Program," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "October 1973," Federal Reserve Bulletin (October 1973) : 121-121. https://fraser.stlouisfed.org/title/62/item/21465/toc/406734 , accessed on April 24, 2024.