Board of Governors of the Federal Reserve System (U.S.), 1935-. "Growth of Major Debt Aggregates, (Billions of dollars, Outstanding)," 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) : 11-11. https://fraser.stlouisfed.org/title/93/item/69059/toc/476455 , accessed on May 3, 2024.