Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Mortgage Activity of Life Insurance Companies," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "February 1957," Federal Reserve Bulletin (February 1957) : 74-74. https://fraser.stlouisfed.org/title/62/item/21266/toc/281694 , accessed on March 29, 2024.