Board of Governors of the Federal Reserve System (U.S.), 1935-. "Commitments of Life Insurance Companies for Income Property Mortgages," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1980-1989," Annual Statistical Digest (March 1991) : 685-686. https://fraser.stlouisfed.org/title/7/item/23495/toc/414343 , accessed on May 10, 2024.