Board of Governors of the Federal Reserve System (U.S.), 1935-. "Private Nonbank Financial Institutions, Seasonally Adjusted Annual Rates," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "September 12, 1991," Z.1 Financial Accounts of the United States (1991-09-12) : 35-35. https://fraser.stlouisfed.org/title/93/item/69143/toc/475336 , accessed on April 19, 2024.