Board of Governors of the Federal Reserve System (U.S.), 1935-. "Tax - Exempt Debt Securities and Loans, Seasonally Adjusted Annual Rates," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "December 6, 1989," Z.1 Financial Accounts of the United States (1989-12-06) : 55-55. https://fraser.stlouisfed.org/title/93/item/69138/toc/476495 , accessed on June 27, 2024.