Board of Governors of the Federal Reserve System (U.S.), 1935-. "Security Brokers and Dealers, Seasonally Adjusted Annual Rates," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "June 2, 1989," Z.1 Financial Accounts of the United States (1989-06-02) : 44-44. https://fraser.stlouisfed.org/title/93/item/69059/toc/476454 , accessed on April 18, 2024.